重點講解：
1. used to do sth. 過去常常；過去曾；
例句：He used to go for long walks on the moors.
他過去時常在荒野上長時間地散步07AD]PC)zQqL&yahd~po。
2. make sure 一定要；設(shè)法保證；
例句：Screen her bed and make sure she is not disturbed.
把她的床隔開，確保她不受干擾NjIP;]OMmMWt3flSRa。
3. go through 經(jīng)歷，經(jīng)受；
例句：In the recession, our firm went through a bad time.
我們公司在經(jīng)濟衰退時期歷盡艱辛nBTa[%s4KSs。
4. end up 最終；結(jié)果；到頭來；
例句：Don't end up regretting what you did not do because you were too lazy or too frightened to soar.
不要到頭來后悔自己因為太懶或太怕高飛而無所作為lL_[J#Ec77(A05。