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 to have

2 there is

3 there are

4 to exist

5 to be

1 haven't

2 hasn't

3 doesn't exist

4 to not have

5 to not be

1 and

2 as well as

3 and so

4 but (not)

5 yet (not)

6 (indicates causal relation)

7 (indicates change of state)

8 (indicates contrast)

1 not having anything at all (idiom); utterly lacking

2 without two sticks to rub together

1 to disperse in confusion (idiom)

1 to swarm in (of people etc) (idiom)

1 to be evident at a glance (idiom)

1 to lump different matters together (idiom)

1 to win instant success (idiom)

2 to become an instant hit