to make (someone) tick: to motivate to behave or act in a certain way (S)
This idiom is used within a what-clause.
it figures : it seems likely, reasonable, or typical
This idiom is either followed by a that-clause or by no other part of grammar.
to trade in: to receive credit for the value of an old item towards the purchase of a new item (S)
This idiom is used to form the noun trade-in.
to get cold feet: to become unable or afraid to do something
This idiom is usually used in the case of an important or dangerous action.