한국어를 열심히 배우다.
hangug-eo-reul yeolsimhi baeuda.
To diligently learn Korean.
意思
To apply oneself with great effort to acquire Korean language skills.
Sino-Korean word, '한국어' (韓國語) meaning 'Korean language' combines '한' (韓) from '한국' (韓國, Korea) and '어' (語) meaning 'language'. '열심히' (열심히) is an adverb meaning 'diligently' or 'with great effort'. '배우다' (배우다) is a native Korean verb meaning 'to learn' or 'to acquire skills'. The phrase expresses the act of learning the Korean language with diligence.