1 surely

2 certainly

3 necessarily

4 fixed

5 a certain (extent etc)

6 given

7 particular

8 must

1 to use

2 to employ

3 to apply

4 to make use of

1 to decide (to do something)

2 to resolve

3 decision

4 classifier: 个 gè

5 classifier: 项 xiàng

6 certainly

1 to use

2 to employ

3 to have to

4 to eat or drink

5 expense or outlay

6 usefulness

7 hence

8 therefore

1 to be certain

2 to be positive

3 assuredly

4 definitely

5 to give recognition

6 to affirm

7 affirmative (answer)

1 to do two things at once (idiom)

2 to multitask

3 to divide one's attention

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 have an ulterior motive (idiom)

1 to have no other use or purpose (idiom)