一个在0,1的外国人对你说，“答案是零。”意思是“The answer is zero”。例子：无论你做了什么，答案都是零。无论你做什么，都是徒劳的。项目怎么样？计划怎么样？答案是零。这是浪费时间。
白忙一场、毫无结果02“白忙一场，徒劳”还可以怎么说？in vain我们的努力没有白费。
我们没有白忙一场。②beat the air 白费力气He is as stubborn as a mule. All those who have tried to persuade him have only been beating the air.他固执得很，所有试图劝说他的人都在白费口舌。③for nothing它有两层意思：1）免费 2）徒劳的You needn’t bother your head for nothing. 你不需要白费心思了。④wild-goose chase 白费力气的；徒劳之举After two hours spent wandering in the snow, I realized we were on a wild-goose chase . 在雪中转了两小时之后，我意识到我们是在白费力气。03answer the dooranswer the door意思是应声开门、听到铃声去开门例：I’m on the phone. Could you answer the door for me? 我正在打电话，你能帮我开一下门吗？04answer the call of natureanswer the call of nature??上厕所例：Just a moment. I have to go to answer the call of nature. 稍等一会，我想上厕所。05answer for / toanswer for??对…负责例：Do you really think the company will be made to answer for the problems that their pollution causes among the local people?你真的认为公司会负责他们在当地造成的污染问题？answer to??答复例：That is an indirect answer to the question. 那只是对这一问题的间接答复。还有我们之前学的 answer back更多例子来巩固一下06answer backanswer （sb.） back =顶嘴，回嘴不是很礼貌的方式应对长辈，领导的批评例：Stop answering your mother back! 不准和你妈妈顶嘴！ I’d generally talk my father round, but never answer back.我会委婉地和父亲解释，从来不顶嘴。talk sb. round=委婉的表达；说服
