多嘴問(wèn)下,不曉得北京的可可網(wǎng)友們知不知道人民大學(xué)周五晚的英語(yǔ)角呢?有沒(méi)有去過(guò)?或者是不是一直有去呢?有想法的可以在下面留言.^.^

Do sth from scratch: 白手起家,從零開(kāi)始

Do sth from the beginning; not using any work done earlier; without any previous preparation or knowledge

I learned German from scratch in six months. 我從零學(xué)起,六個(gè)月學(xué)會(huì)了德語(yǔ).

They decided to dismantle the machine and start again from scratch. 他們決定拆掉機(jī)器,從頭再來(lái).

The fires destroyed all the plans. Now we'll have to start again from scratch. 大火毀了所有的計(jì)劃,現(xiàn)在我們必須從頭再來(lái).

Scratch your head (over sth): to think hard in order to find an answer to something 苦苦琢磨;苦思冥想;絞盡腦汁

We're all scratching our heads for an answer to the problem. 為了找到這個(gè)問(wèn)題的答案我們都絞盡腦汁.

you scratch my back and I'll scratch yours
used to say that if somebody helps you, you will help them, even if this is unfair to others 禮尚往來(lái);你幫我,我就幫你;你給我好處,我就給你好處.

Back-scratching: there is too much back-scratching in local politics in this town. 這個(gè)城鎮(zhèn)的地方政治中互開(kāi)方便之門(mén)的事情太多了.