- Grammatical Status
- Ishirini is an indeclinable numeral. It follows the noun it modifies. For example, 'shilingi ishirini' (twenty shillings).
Nina miaka ishirini na miwili.
- Cultural Nuance
- In some coastal dialects, you might hear variations in pronunciation, but 'ishirini' remains the standard for Kiswahili Sanifu (Standard Swahili).
Alinunua machungwa ishirini sokoni leo.
- Usage in Time
- While Swahili time usually counts minutes in fives or tens, saying 'dakika ishirini' (twenty minutes) is perfectly common for precise scheduling.
Mkutano utaanza baada ya dakika ishirini.
- The 'Na' Construction
- To form numbers between 21 and 29, the structure is [Ishirini] + [na] + [Number]. Example: 'Ishirini na tatu' (Twenty-three). Note that the second number *does* take noun class prefixes if it is 1-5 or 8.
Kuna wanafunzi ishirini na mmoja darasani.
- Quantity vs. Identity
- When 'ishirini' is the subject, it can stand alone: 'Ishirini ni nusu ya arobaini' (Twenty is half of forty).
Gari hili linaweza kubeba abiria ishirini.
- Mathematical Operations
- Ishirini jumlisha kumi ni thelathini (20 + 10 = 30). Ishirini toa tano ni kumi na tano (20 - 5 = 15).
Alipata alama ishirini kwenye mtihani wa hisabati.
- Marketplace Dynamics
- In open-air markets, vendors often bundle items like tomatoes or onions in piles that cost a specific amount. You might hear 'Chukua fungu hili kwa shilingi mia mbili ishirini' (Take this bunch for 220 shillings).
Naomba chenji ya shilingi ishirini.
- Education and Clinics
- In a school setting, teachers count students ('Wanafunzi ishirini wapo hapa'). In health clinics, nurses might record a patient's weight or temperature using this number.
Nimeishi hapa kwa miaka ishirini.
- Social Events
- At a wedding or 'mchango' (fundraiser), the announcer might list contributions: 'Bwana Ali ametoa elfu ishirini' (Mr. Ali has given twenty thousand).
Kuna meza ishirini kwenye ukumbi huu.
- The Agreement Trap
- Mistake: 'Miti miishirini' (Incorrect). Correct: 'Miti ishirini' (Twenty trees). Remember: 6, 7, 9, 10, and all decades (20, 30, etc.) are invariant.
Sio 'vitabu viishirini', sema 'vitabu ishirini'.
- Word Order Errors
- English speakers often say 'ishirini watu' because of 'twenty people'. In Swahili, the noun always comes first: 'watu ishirini'.
Kuna ishirini ya... (Incomplete). Sema: 'Kuna wanafunzi ishirini'.
- Spelling Slip-ups
- Mistake: 'isharini' or 'esherini'. Correct: 'ishirini'. The 'i' vowels are consistent throughout.
Nilinunua vitabu ishirini, si kumi na tisa.
- The Decades
- Kumi (10), Ishirini (20), Thelathini (30), Arobaini (40), Hamsini (50). Notice how all except 'kumi' end in '-ini', showing their Arabic influence.
Yeye ni mkubwa kuliko mimi kwa miaka ishirini.
- Ordinal vs. Cardinal
- Cardinal: Ishirini (20). Ordinal: -a ishirini (20th). Example: 'Mtu wa ishirini' (The 20th person).
Hii ni mara yangu ya ishirini kukutana naye.
- Synonyms in Context
- There are no true synonyms for the number itself, but 'robo karne' (a quarter century) is used for 25, which is close to 20 in historical discussions.
Alizidisha kwa ishirini.
수준별 예문
Nina miaka ishirini.
I have twenty years.
Miaka (years) is Class 4, but ishirini does not change.
Kuna wanafunzi ishirini.
There are twenty students.
Wanafunzi is Class 2 (people).
Ninataka mayai ishirini.
I want twenty eggs.
Mayai (eggs) is Class 6.
Bei ni shilingi ishirini.
The price is twenty shillings.
Shilingi is Class 10.
Alinunua kalamu ishirini.
He/She bought twenty pens.
Kalamu is Class 10.
Tuna viti ishirini.
We have twenty chairs.
Viti is Class 8.
Soma ukurasa wa ishirini.
Read page twenty.
'wa ishirini' makes it the 20th page.
Yeye ana kuku ishirini.
He has twenty chickens.
Kuku is Class 10.
Nilipata shilingi elfu ishirini.
I got twenty thousand shillings.
Elfu ishirini = 1,000 * 20.
Mkutano utaanza saa mbili na dakika ishirini.
The meeting will start at 8:20 (Swahili time).
Dakika ishirini means 20 minutes.
Leo ni tarehe ishirini.
Today is the twentieth date.
Tarehe ishirini is the standard way to say the 20th.
Kuna nyumba ishirini katika mtaa huu.
There are twenty houses in this street.
Nyumba is Class 10.
Alisafiri kwa saa ishirini.
He traveled for twenty hours.
Saa ishirini refers to duration here.
Nimeleta machungwa ishirini na tano.
I brought twenty-five oranges.
Notice 'tano' does not need a prefix here because machungwa is Class 6 and N-class agreement for numbers is often zero-prefix.
Wachezaji ishirini walikuja uwanjani.
Twenty players came to the field.
Wachezaji is Class 2.
Niliandika barua ishirini jana.
I wrote twenty letters yesterday.
Barua is Class 10.
Asilimia ishirini ya watu walipiga kura.
Twenty percent of the people voted.
Asilimia ishirini is the standard for 20%.
Kitabu hiki kina sura ishirini.
This book has twenty chapters.
Sura is Class 10.
Tulitembea kilomita ishirini msituni.
We walked twenty kilometers in the forest.
Kilomita is Class 10.
Alizaliwa katika karne ya ishirini.
He was born in the twentieth century.
Karne ya ishirini = 20th century.
Kuna vyumba ishirini katika hoteli hii.
There are twenty rooms in this hotel.
Vyumba is Class 8.
Alinunua nguo ishirini kwa ajili ya harusi.
She bought twenty clothes for the wedding.
Nguo is Class 10.
Mti huu una urefu wa mita ishirini.
This tree has a height of twenty meters.
Mita is Class 10.
Walimu ishirini walihudhuria semina hiyo.
Twenty teachers attended that seminar.
Walimu is Class 2.
Kampuni ilipoteza asilimia ishirini ya thamani yake.
The company lost twenty percent of its value.
Formal economic context.
Inakadiriwa kuwa kuna spishi ishirini mpya.
It is estimated that there are twenty new species.
Spishi is Class 10.
Mkataba huu utadumu kwa miaka ishirini.
This contract will last for twenty years.
Miaka ishirini is a common term for long-term leases.
Alisoma mashairi ishirini ya Shaaban Robert.
He read twenty poems by Shaaban Robert.
Mashairi is Class 6.
Kuna tofauti ya pointi ishirini kati yao.
There is a twenty-point difference between them.
Pointi is Class 10.
Serikali imejenga shule ishirini mpya mkoani hapa.
The government has built twenty new schools in this region.
Shule is Class 10.
Kijiji hiki kina visima ishirini vya maji.
This village has twenty water wells.
Visima is Class 8.
Alifanya kazi kwa saa ishirini bila kupumzika.
He worked for twenty hours without resting.
Emphasis on duration.
Katika muongo wa pili, alitimiza miaka ishirini ya utumishi.
In the second decade, he completed twenty years of service.
Complex time and career context.
Mwandishi ametumia aya ishirini kuelezea mandhari hiyo.
The author has used twenty paragraphs to describe that setting.
Aya is Class 10 (paragraphs).
Sheria ya ardhi ina vipengele ishirini muhimu.
The land law has twenty important sections.
Vipengele is Class 8.
Inasemekana kuwa mfalme alikuwa na wake ishirini.
It is said that the king had twenty wives.
Wake is Class 2 (plural of mke).
Mradi huu unahitaji wafanyakazi ishirini wenye ujuzi wa hali ya juu.
This project requires twenty highly skilled workers.
Wafanyakazi is Class 2.
Aligundua makosa ishirini katika ripoti ya mwisho.
He discovered twenty errors in the final report.
Makosa is Class 6.
Kuna takriban mita ishirini kati ya majengo haya mawili.
There are approximately twenty meters between these two buildings.
Takriban means approximately.
Alikariri beti ishirini za utenzi ule maarufu.
He memorized twenty stanzas of that famous epic poem.
Beti is Class 10 (stanzas).
Uchambuzi wa kina ulionyesha kuwa asilimia ishirini ya sampuli zilikuwa na kasoro.
In-depth analysis showed that twenty percent of the samples were defective.
High-level scientific reporting.
Mageuzi ya kijamii katika karne ya ishirini yalibadilisha mfumo wa utawala.
Social reforms in the twentieth century changed the system of governance.
Historical/Political analysis.
Kiwango cha mfumuko wa bei kilifikia asilimia ishirini kwa mara ya kwanza.
The inflation rate reached twenty percent for the first time.
Economic terminology.
Aliteuliwa kuwa mmoja wa wajumbe ishirini wa baraza la ushauri.
He was appointed as one of the twenty members of the advisory council.
Wajumbe is Class 2.
Kazi yake imetafsiriwa katika lugha ishirini tofauti kote ulimwenguni.
His work has been translated into twenty different languages worldwide.
Lugha is Class 10.
Utafiti huo ulijumuisha vijiji ishirini kutoka kanda mbalimbali.
The research included twenty villages from various regions.
Vijiji is Class 8.
Alitumia miaka ishirini ya maisha yake akitafiti mimea ya asili.
He spent twenty years of his life researching indigenous plants.
Miaka ishirini ya maisha yake = Twenty years of his life.
Kuna vigezo ishirini ambavyo lazima vitimizwe ili kupata mkopo.
There are twenty criteria that must be met to obtain a loan.
Vigezo is Class 8.