1 (negative prefix)

2 not

3 no

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 can

2 may

3 able to

4 to approve

5 to permit

6 to suit

7 (particle used for emphasis) certainly

8 very

1 can

2 may

3 possible

4 able to

5 not bad

6 pretty good

1 to use

2 to employ

3 to have to

4 to eat or drink

5 expense or outlay

6 usefulness

7 hence

8 therefore

1 don't do it, or don't rest (idiom); either give up, or go through to the end

2 Since we started, we must carry it through whatever happens.

3 in for a penny, in for a pound

1 lit. to reply "don't know" whatever the question (idiom)

2 fig. absolutely no idea of what's going on

3 complete ignorance

1 untainted by even a speck of dust (idiom); selfless and incorruptible

2 spotless

1 to not mention a single word (about sth) (idiom)

1 lit. the mountain can't have two tigers (idiom)

2 fig. this town ain't big enough for the two of us

3 (of two rivals) to be fiercely competitive