“卖力干”例句

单词 卖力干 例句 DEFINITIVE EXAMPLES 权威例句〔put your back into sth〕You could dig this plot in an afternoon if you really put your back into it.如果你卖力干的话，一下午就能刨完这块地。剑桥高阶She worked hard to earn money for the maintenance of her fa...