重點講解：
1. spy on 秘密監視；
例句：Jack was paid by the police to spy on his colleagues.
杰克受雇于警察在暗中監視他的同事們x+p89!,jR%~A5。
2. sniff out 嗅找；發現；
例句：A police dog, trained to sniff out explosives, found evidence of a bomb in the apartment.
一只訓練有素、專門嗅找炸藥的警犬在公寓里發現了炸彈的痕跡#IrJ*o%L3_E%0Uw%1o。
3. thanks to 幸虧；歸因于；
例句：Thanks to his effort, it is more successful than we have expected.
由于他的努力，獲得了比我們預期的更大的成功1#cu2d|[Mot01rL。
4. result in 導致；引起；造成；
例句：Indecision can also result in missed opportunities.
優柔寡斷還可以導致痛失良機nn%SgQLaFzPia7Ew|ZIr。
5. in other words 換言之；換句話說；也就是說；
例句：You needn't come to work tomorrow, in other words, you are out of work.
你明天不用來上班了，換言之，你下崗了MC8mH.JE==。
6. leave behind 留下；余留；
例句：I don't want to leave anything behind.
我不想留下任何東西%3p_M8xoNM2(LenpxJv。