1.back up支持；证实

Radio signals received from the galaxy's centre back up the black hole theory...
从该星系中心收到的无线电信号证实了黑洞理论PFA93C21r8%0Ac,v[。

2.face to face面对面

Why not have it out with your critic, discuss the whole thing face to face?
为什么不和批评你的人讲个明白，面对面地把整件事情谈一谈呢？

3.turn into变成
I think I have got to stop or I might turn into a machine.
我想我得停下来了，否则我就会变成一台机器r_Oa7g5ZWLOrok*Yt)。

4.speak for代表...讲话
Obviously I can't speak for other people, but certainly no one I know would entertain the idea.
我显然不能代表其他人的意见，可是我认识的人当中肯定没有人会有这样的想法u)IBUS_&RnXz。