entries → 用功
TSUMUGU · TOCFL A2 (est.) · 詞
用功 word · TOCFL A2 (est.)
用功 ＝ 用 ＋ 功
ㄩㄥˋ ㄍㄨㄥ · yònggōng
adjective — hardworking, diligent (at study); verb — to study hard

字源 FORM — what the parts do

用to use, put in (使用)yòng
功effort, merit (功夫)gōng
用功，使用的用，功夫的功。
關 · Related
努力nǔlìthe broader word for trying hard