1 life (one's time on earth)

1 to do

2 to make

3 to produce

4 to write

5 to compose

6 to act as

7 to engage in

8 to hold (a party)

9 to be

10 to become

11 to function (in some capacity)

12 to serve as

13 to be used for

14 to form (a bond or relationship)

15 to pretend

16 to feign

17 to act a part

18 to put on appearance

1 student

2 schoolchild

1 to complete

2 to accomplish

1 surname Cheng

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

1 a single slip may cause everlasting sorrow (idiom)

1 nothing much changes (idiom); always the same

2 stuck in a rut

1 a whole lifetime (idiom); all my life