transplant
移植 
　　
例句：
It is now possible to transplant organs from animals into people.
现在将动物身上的器官移植入人体内已经成为了可能。
 

paddle one's own canoe
自力更生；自食其力
 
例句：
He's eighteen now and I believe he can paddle his own canoe.
他已经十八岁了，所以我相信他完全可以自食其力了。
 

It's up to date.
这很时兴。

对话：
A: John, I'm taking my exam for my postgraduate study.
B: Really? It's quite up to date to get a higher degree, isn't it?
A: Yes, and I'm trying to keep up with the times.

A：约翰，我正准备参加研究生考试。
B：真的吗？获得更高的学位很时兴，是吗？
A：是呀，我正试图赶上时代。