fall for sth	to be deceived
fall in sb	to fall in love with sb
fall about laughing	to show amusement by laughing
fall out with sb	to quarrel
fall through	to fail to materialize
fall back on sth	to use as a last resort
break up	to come to an end
break up with sb	to stop a relationship with sb
break off	to stop doing sth
break out	to start sth troublesome, undesirable
break down	to lose control of the emotions, to become depressed
add up	to make sense
ask after sb	to inquire about sb
back down	to yield in an argument
bargain for	to take sth into account
bear out	to confirm sth
bring sth about	to cause sth to happen
bring sth off	to succeed in doing sth
bring sth on	to cause sb to experience sth unpleasant
bring sb round	to influence sb to your point of view
bring sth up	to mention