clear (one's) throat: cough in order to speak more clearly
clear (something) with (someone): get formal permission for an action
clear (someone's) name: prove that a person is not guilty of something
clear a space: move things to make room for something else
to fix up: to repair or put back in good condition (S); to arrange a date or an engagement for another person (S)
to be in (someone's) shoes: to be in another person's position, to face the same situation as another person