讲解：
live in luxury 奢侈的享受；奢华:
Now we'll be able to live in luxury for the rest of our lives.
如今我们可在有生之年过豪华生活了。
complementary (to sth) 互补的；补充的；相互补足的:
The school's approach must be complementary to that of the parents.
学校与家长的教育方法必须相辅相成。
get lost 遗失；丢失
The tickets seem to have got lost.
那些票好像给弄丢了。
expect to do 预料；预期；预计:
You can't expect to learn a foreign language in a few months.
不要指望在几个月内就能学会一门外语。
apologize (to sb) (for sth) 道歉；谢罪:
We apologize for the late departure of this flight.
本航班延误离境,谨致歉意。
bare your teeth (凶狠地)龇牙咧嘴:
The dog bared its teeth and growled.
那条狗龇牙咧嘴地低吼。
roll call 点名:
Roll-call will be at 7 a.m.
早晨 7 点钟点名。