1.go hand in hand 緊密聯系;息息相關
For us, research and teaching go hand in hand.
對于我們來說,研究與教學密切相關。
2.narrow a gap 縮小差距
Actually it gotta take a very very long time to narrow the gap between urban people and rural people and to balance the problem.
事實上,平衡這個問題、縮小城鄉差距要花很長很長的時間。
3.crack jokes 講笑話
This doesn't mean that you have to crack jokes or entertain us, but just being able to laugh at yourself is enough.
這并不意味著說你一定要開玩笑或者娛樂我們,只要敢于笑笑自己就足夠了。