重点讲解：
1. at the request of 应…的请求；按照…的要求；
The evacuation is being organised at the request of the United Nations Secretary General.
根据联合国秘书长的要求，正在组织撤退Q~f.0=Zg5]。
2. if push comes to shove 情况不妙时；别无选择时；形势十分糟糕时；
If push comes to shove, if you should lose your case in the court, what will you do?
如果情况不妙，法庭上败诉，你会怎么办？
3. for sure 无疑；肯定；
One thing's for sure, Astbury's vocal style hasn't changed much over the years.
有一点可以肯定，阿斯特伯里的演唱风格多年来没怎么改变i+f#t,Hg@t。
4. hint at 暗示；示意；
She suggested a trip to the shops and hinted at the possibility of a treat of some sort.
她建议去逛逛商店，并暗示可能要请客CQz=z5ubc1]r12n~irRi。