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 to be convinced (that sth is true)

2 to believe

3 to accept sth as true

1 text message

2 SMS

1 to deliver

2 to carry

3 to give (as a present)

4 to present (with)

5 to see off

6 to send

1 to speak without thinking (idiom)

2 to blurt sth out

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

1 brimming with confidence (idiom)

1 goose feather sent from afar (idiom); a trifling present with a weighty thought behind it

1 goose feather sent from afar, a slight present but weighty meaning (idiom); It's not the present the counts, it's the thought behind it.