1 surely

2 certainly

3 necessarily

4 fixed

5 a certain (extent etc)

6 given

7 particular

8 must

1 not to be concerned

2 regardless of

3 no matter

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 decide (to do something)

2 to resolve

3 decision

4 classifier: 个 gè

5 classifier: 项 xiàng

6 certainly

1 (idiom) it's a deal

2 that's settled then

1 man can conquer nature (idiom); human wisdom can prevail over nature

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)