1to start to have an effect or to happen
kick in
2to happen or appear, often unexpectedly
crop up
3to criticize someone or something, often unfairly
run down
4to keep someone or something in a particular place or position and to stop him, her, or it from moving
hold down
5a person who has an important or powerful position
big-wigs
6very fast and not organized
pell-mell
7(behaving) in an uncontrolled way
harum-scarum
8mixed up and in no particular order
higgledy-piggledy
9the situation in which large numbers of educated and very skilled people leave their own country to live and work in another one where pay and conditions are better
brain-drain
10the basic facts and important details of a situation
nitty-gritty
11having no excitement, interest, or new and different events
humdrum
12in television and radio broadcasting, the time when the largest number of people are watching or listening
prime time