keep someone’s word (keep someone's word)

Idiom Friendship

意味

to do what you promise to do

約束を守る (yakusoku o mamoru)

例文

"You can trust him; he always keeps his word."

"彼を信頼してもいいよ。彼はいつも約束を守る。" (kare o shinrai shitemo ii yo. kare wa itsumo **yakusoku o mamoru**.)