size
That's about the size of it.
用：用来结尾的话。
意：事情的真相就是这样;情况大致如此
例，She asked me to go to her house and I went there, and in the end she gave me the money and the letter-that's about the size of it.
她要我去她的住处，我就去了，最后她给了我这封信和这钱—实情就是这样。
Skin
by the skin of my teeth
用：指某事险些没做成。
意：…差点没…;刚好…;好不容易…;侥幸…
例 .I caught the last train by the skin of my teeth.
我差点儿没赶上最后一班火车。
I only got my diploma by the skin of my teeth.
我侥幸得到了毕业证书。
It's no skin off my nose
用：指某事做不做对说话人根本无所谓，没什么损害。
意：伤不了我一根汗毛;…我根本无所谓(不在乎);…对我又能怎样?
不关我什么事
例，It's no skin vff my nose if you won't talk to me
你要是不愿跟我讲话，我也不在乎。
It's no skin off my nose if she decides otherwise.
如果她做出别的决定，我也损失不了什么。
