1 two

2 2

3 (Beijing dialect) stupid

1 surname Yuan

2 the Yuan or Mongol dynasty (1279-1368)

1 next in sequence

2 second

3 the second (day, time etc)

4 secondary

5 vice-

6 sub-

7 infra-

8 inferior quality

9 substandard

10 order

11 sequence

12 hypo- (chemistry)

13 classifier for enumerated events: time

1 second

2 number two

3 next

4 secondary

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 thoroughly (idiom)

2 completely

3 one and all

4 very clean

1 a new year begins (idiom)

1 one divides into two

2 to be two-sided

3 there are two sides to everything

4 to see both sb's good points and shortcomings (idiom)

1 to make a terrible scene (idiom)

2 to throw a tantrum