31) To put the lid on
To keep something under control and stop it from increasing.
32) To hang fire
Delay or be delayed in taking action or progressing.
33) Besetting sin
A main or constant problem or fault.
34) Loom large
To be of great importance, especially when referring to an upcoming problem, danger, or threat.
35) Give someone the bum's rush
A hasty and forceful removal from a place.
36) Winkle out
Remove or displace from a position.
37) Whittle away
Cut away in small pieces, to cut or carve something away.
38) Twiddle with
To play with something; to play with something, using one's fingers; to fiddle with something.
39) Between the devil and the deep blue sea
Choose between two undesirable situations.
40) Wild goose chase
A worthless hunt or chase; a futile search.