a solemn promise
誓言。
(
(尤指为婚姻或僧侣生涯立下的)誓约。
[reporting verb]solemnly promise to do a specified thing
宣誓,立誓,发誓
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[with clause]
he vowed that his government would not tolerate a repeat of the disorder 他郑重宣告他的政府绝对不能容许再次发生混乱
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[with direct speech]
one fan vowed, ‘I'll picket every home game’ .一个球迷发誓说:“我一定要为每一次主场比赛当纠察”。
[with obj.]
〈古〉 (尤指对神)立誓奉献
-
I vowed myself to this enterprise .我立誓终身为这事业服务。
"Middle English: from Old French