1 letter

2 mail

3 classifier: 封 fēng

4 to trust

5 to believe

6 to profess faith in

7 truthful

8 confidence

9 trust

10 at will

11 at random

1 information

2 news

3 message

1 son

1 child

1 house

2 building (single- or two-story)

3 apartment

4 room

5 classifier: 栋 dòng

6 classifier: 幢 zhuàng

7 classifier: 座 zuò

8 classifier: 套 tào

9 classifier: 间 jiān

1 lit. a full bottle makes no sound; a half-filled bottle sloshes (idiom)

2 fig. empty vessels make the most noise

1 How do you catch the tiger cub without entering the tiger's lair? (idiom); Nothing ventured, nothing gained.

1 you don't release the hawk until you've seen the hare (idiom)

2 one doesn't act without some incentive

1 rebels and traitors (idiom)

2 general term for scoundrel

1 people of good will (idiom); charitable person