Dictionary / Vocabulary / 励む
はげむ
to work hard; to try hard; to strive; to endeavour
JLPT N1 common word
彼は弁護士になるために日夜勉強に励んだ。
He studied day and night with a view to becoming a lawyer.
彼は勉強に励んでいる。
He is diligent in his study.
彼は著述に励んでいた。
He was fully occupied with his writing.