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 information

2 news

3 message

1 house

2 building (single- or two-story)

3 apartment

4 room

5 classifier: 栋 dòng

6 classifier: 幢 zhuàng

7 classifier: 座 zuò

8 classifier: 套 tào

9 classifier: 间 jiān

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 to be convinced (that sth is true)

2 to believe

3 to accept sth as true

1 three days without a beating, and a child will scale the roof to rip the tiles (idiom)

2 spare the rod, spoil the child

1 over and over again (idiom)

1 to take sth as a lesson for next time (idiom)

2 once bitten, twice shy

1 lit. the matter has become a pile of eggs (idiom); fig. at a critical juncture

1 lit. to stare at the ceiling while writing a book (idiom); to put one's whole body and soul into a book