fully listening (idiom)
all ears
good luck (idiom)
break a leg
cold feet (idiom)
nervous before a big event
be very expensive (idiom)
cost an arm and a leg
cry very hard (idiom)
cry your heart out
help somebody do something (idiom)
give/lend a hand
deeply in love (idiom)
head over heels
take care of (idiom)
keep an eye on
try to be cheerful (idiom)
keep one’s chin up
to risk giving an answer
to hazard a guess