账: account, bill, debt...
羡慕: to envy, to admire...
回: (a measure word for matters or actions) a time, to circle, to go back, to turn around, to answer, to return, to revolve, Islam...
学期: term, semester...
耳机: headphones, earphones, telephone receiver...
头头是道: clear and logical...
稍: somewhat, a little...
确凿: definite, conclusive, undeniable, authentic, also pr....
节水: to save water...
扣除: to deduct...
