和英辞書

効く

ひらがな

きく

verb

to be effective; have effect; act upon / to work; to hold; to have / (of system) to be able to be applied; can be used

この薬はすぐに効く。

This medicine is effective immediately.

意味（1）

to be effective; have effect; act upon

抗(こう)ウイルス薬(やく)がCOVID(コビッド)-1(いち)9(きゅう)に効(き)くと報(ほう)告(こく)されている。

kōuirusuyaku ga Kobiddoichikyū ni kiku to hōkoku sareteiru.It was reported that antivirus drug is effective for COVID-19.

意味（2）

to work; to hold; to have

彼(かれ)は鼻(はな)が効(き)く。

Kare wa hana ga kiku.He has a keen nose.

意味（3）

(of system) to be able to be applied; can be used

学(がく)割(わり)が効(き)く

gakuwari ga kikustudents discount can be applied