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 good

2 well

3 proper

4 good to

5 easy to

6 very

7 so

8 (suffix indicating completion or readiness)

9 (of two people) close

10 on intimate terms

11 (after a personal pronoun) hello

1 to believe in (a religion)

2 firm belief

3 conviction

1 to trust

2 to have confidence in

1 confidence

2 faith (in sb or sth)

3 classifier: 个 gè

1 no matter what may happen (idiom)

1 unable to differentiate good from bad (idiom)

2 not to know what's good for one

3 unable to recognize others' good intentions

1 unable to tell good from bad (idiom)

2 undiscriminating

1 to speak without thinking (idiom)

2 to blurt sth out

1 to be trusted both at home and abroad (idiom)