1 (negative prefix)

2 not

3 no

1 again

2 once more

3 re-

4 second

5 another

6 then (after sth, and not until then)

7 no matter how ... (followed by an adjective or verb, and then (usually) 也[yě] or 都[dōu] for emphasis)

1 life

2 activity

3 to live

4 livelihood

1 repeatedly

1 one-off (offer)

2 one-time

3 single-use

4 disposable (goods)

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 unfamiliar at first, but well accustomed soon enough (idiom)

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

2 spotless

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