1 any

2 whatever

3 whichever

4 whatsoever

1 surname He

1 there is no need

2 why should

1 when

1 how

2 what way

3 what

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

1 do not worry about scarcity, but rather about uneven distribution (idiom, from Analects)

1 it's a small world (idiom)