back down和give up的区别
back down - 放弃常见释义 英[bæk daʊn] 美[bæk daʊn] 词典 放弃（主张、要求、承诺等）;打退堂鼓; give up 放弃常见释义 英[ɡɪv ʌp] 美[ɡɪv ʌp] 词典 放弃;戒除;认输;辞去（工作）;让出;自首;投案; 例句 She will not give up her children without a struggle. 她不会轻易放弃自己的孩子 例句 He had to back down on plans to backdate the...