1. Pretend not to know; feign ignorance; play the fool
明智的人是不会那样做的。
2. This is the crux of the problem: The knowledgeable feign ignorance, and the ignorant are truly ignorant.
这才是问题的关键：知之者装不知，不知者确不知。
3. The US may feign ignorance, but there is a new Olympic order led by China, whichever league table you read.
美国人或许会装傻，但奥运的整个格局的确已为中国所改变，而这与采用哪种奖牌榜毫无关系。
4. To feign ignorance of or fail to take measures against a wrong, thus implying tacit encouragement or consent
纵容：假装忽视或并未采取措施阻止错误，并暗示出默许和同意
1. There are Chinese wives who feign ignorance of their husbands'affairs, and this is probably something an American film critic cannot grasp.