1 surely

2 certainly

3 necessarily

4 fixed

5 a certain (extent etc)

6 given

7 particular

8 must

1 to set

2 to fix

3 to determine

4 to decide

5 to order

1 safe and sound

2 well

3 without mishap

4 quiet and safe

5 at peace

1 ordinarily

2 in normal times

3 in peacetime

1 flat

2 dull

3 ordinary

4 nothing special

1 before the first wave subsides, a new wave rises (idiom); a new problem arises before the old is solved

2 many twists and turns to a story

3 one thing after another

1 lit. to hold a bowl of water level (idiom)

2 fig. to be impartial

1 (idiom) it's a deal

2 that's settled then

1 flat land one could gallop straight across (idiom); wide expanse of flat country

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