1 two

2 2

3 (Beijing dialect) stupid

1 twenty

2 20

1 twelve

2 12

1 first of the ten Heavenly Stems 十天干[shí tiān gān]

2 (used for an unspecified person or thing)

3 first (in a list, as a party to a contract etc)

4 letter "A" or roman "I" in list "A, B, C", or "I, II, III" etc

5 armor plating

6 shell or carapace

7 (of the fingers or toes) nail

8 bladed leather or metal armor (old)

9 ranking system used in the Imperial examinations (old)

10 civil administration unit in the baojia 保甲[bǎo jiǎ] system (old)

11 ancient Chinese compass point: 75°

1 second

2 number two

3 next

4 secondary

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 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

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