swear an oath (スウェア アン オウス)

Idiom Promise

意味

to promise solemnly, often in a formal way

正式に誓う、しばしば公式な方法で (seishiki ni chikau, shibashiba kōshiki na hōhō de)

例文

"He swore an oath to serve his country faithfully."

"彼は誓いを立てた、忠実に自分の国に仕えるために。" (Kare wa **chikai o tateta**, chūjitsu ni jibun no kuni ni tsukaeru tame ni)