Word Network: effortless

Mastering Abstract Noun Phrases (on principle, in essence)

prepositions

C2

Phrasal Verb: Pick up (Lift, Collect, Answer)

prepositions

B1

There is / There are (Existence)

verbs_tenses

A1

Pointing Back: Using Pronouns (Anaphoric Reference)

pronouns

C1

Advanced Passive: Reporting Rumors & Beliefs (He is said to be...)

passive_reported

C1

a royal road

An easy or effortless way to achieve something difficult.

at ones best

Performing or appearing at one's peak level of ability or attractiveness.

As easy as pie.

Very easy, simple.

A1

Easy as pie.

Very easy to do.

A2

a childs play

Something that is very easy to do.

run smoothly

Progress without problems

B1