A
48 hours ——> two days
50% off ——> discount
a couple of times ——> twice
a little after ten ——> just past ten o'clock
a waste of money ——> not worth the money
a week from today ——> next week
a week from tomorrow ——> in eight days
age ——> era
agreement ——> contract
ahead of time ——> in advance
any day now ——> soon
anything but poor ——> rich // has a lot of money考试用书
apply for a loan ——> borrow money
approach sb ——> talk to sb
around ——> nearby
ask for a refund ——> get money back
astonished ——> surprised