bring to a boil 使沸腾, 激化

The debate was brought to a boil after the scandal. 丑闻后,争论被推向高潮.

vulnerability 脆弱性

volunteer 志愿者

prey on 利用, 掠夺

Cybercriminals prey on peoples’s fear of losing money. 网络罪犯利用人们对损失金钱的恐惧.