193. exempt from: 免除……的义务/责任 The goods are exempt from taxes. 这些货物被免税。
194. at risk: 处于危险中 It's not the sort of illness that puts your life at risk. 它不是那种会让你有生命危险的疾病。 at the risk of 冒着……的危险 He released the news at the risk of being assassinated. 他冒着被暗杀的危险发送了机密信息。 risk doing something 冒险做某事 The driver didn’t want to risk driving in the stormy weather. 司机不想冒险在暴风雨天气里驾驶。
195. be critical of: 对……挑剔，吹毛求疵 She is only critical of me. 她只对我感到不满。
