carry sth off	to complete sth successfully
carry out	to do ex. a research
catch on	to become popular
come about	to happen
come down to sth	to be in the end the matter of sth
come in for	to receive a lot of criticism, blame
come off	to take place successfully
come out	to appear
come up	to occur
come up against	to meet a difficulty
come up to sth	to equal ex. expectations
come up with	to think of ex. a solution
count on sb	to rely on sb
crop up	to happen unexpectedly
do away with sb	to liquidate/ to murder
do sth up	to decorate
draw up	to stop/ to organize
drop in	to pay a short visit
drop off	to fall asleep