some useful phrases

I proposed a toast. Bottoms up! 干杯
I have a high hopes for my son/daughter.望子成龙
I am giving you a chance to redeem yourself and yet you wont take it.You shame yourself and you anger me!给你脸，你不要脸，你丢脸，我翻脸。 I give you face.  You don't want face, your are losing your face.  I am not going to be courteous anymore.  Giving face, lose face etc is now accepted in the English language.

It's like/as though there is a sea of people! 人山人海 a mass of people, multitudinous, a horde etc.
Not a big deal,we are friends！咱俩谁跟谁
Concentrated or strong tea! 浓茶/功夫茶 Strong or "ceremonial tea" (something akin to Japanese tea ceremony)