| 单词 | go back on sth |
| 释义 | go back on sthphrasal verb(goes, sent, gone) (rather informal) to fail to keep a promise; to change your mind about sth违背承诺；食言；改变主意◆they have no intention of going back on any of their commitments.他们无意背弃他们作出的任何承诺。 go back on sth to break a promise, an agreement, etc 违背（承诺、协议等）: ◇i promised to help them and i can't go back on my word. 我答应过他们愿助一臂之力，现在可不能食言。 go back on sthphr v [t]if you go back on a promise or agreement, you do not do what you promised to do 违背［诺言或协议］ |
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