重点讲解：
1. at large 在逃的；未被捕获的；
The man who tried to have her killed is still at large.
那个企图雇凶杀她的男子仍然在逃bf0#u%G,#nmd&D_8#_E^。
2. in the middle of (某件事或某段时间的)中期；
I woke up in the middle of the night and could hear a tapping on the window.
我半夜里醒来，听见有敲窗户的声音xziKcF4]F33Uc&5|t4~Q。
3. hand over 移交（犯人等）；
They would just catch the robbers and hand them over to the police.
他们会抓住抢劫犯，并把他们交给警方-D#*LNZ7yUD(_。
4. clamp down 取缔；压制；管制；镇压；
If the government clamps down on the protestors, that will only serve to strengthen them in the long run.
如果政府镇压抗议者，从长远来看，这将只能使他们更加坚决2x8_+a-Nm!。

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