1. The impostor will not get away with his insidious wiles.
    这个骗子的奸计不会得逞。

2. However, there is an even more insidious kind of pollution that particularly affects urban areas and invades our daily lives, and that is noise.
    但是，还有一种更加隐蔽有害的污染，它专门影响城镇地区，侵袭我们的日常生活，那就是噪音。