和英辞書

約束

ひらがな

やくそく

noun

a promise / an appointment or social engagement (the meeting itself) / a convention; something that is conventional / something that is preordained

彼は約束を守るべきだ。

He should keep his promise.

意味（1）

an appointment or social engagement (the meeting itself)

………八(や)重(え)樫(がし)先(せん)生(せい)！まんず男(おとこ)と男(おとこ)の約(やく)束(そく)だあ！母(か)っちゃを大(たい)切(せつ)にしてけれ！

……… Yaegashi Sensei! manzu otoko to otoko no yakusoku dā! katcha o taisetsu ni shite kere!……… Yaegashi Sensei! Promise me, man-to-man! Promise me you’ll take good care of my ma!

意味（2）

a convention; something that is conventional

意味（3）

something that is preordained

意味（4）

a promise

意味（5）

trope (something recurring across a genre or type of art or literature)

お約束(やくそく)を知(し)ってるでしょ？物語(ものがた)るときの定番(ていばん)よ

O-yakusoku o shitteru desho? Monogataru toki no teiban yoYou know the trope? In story-telling it’s a norm.