dissimulator

The politician was a skilled dissimulator, promising transparency while hiding his true intentions.

用法提示：dissimulator 在这里作名词，指假装不知或伪善的人，在句中描述政客的虚伪行为。

Even though she disliked the meal, she acted as a gracious dissimulator to avoid hurting her host's feelings.

用法提示：dissimulator 指口是心非、隐藏真实感受的人，这里描述她为了礼貌而掩饰厌恶。

The student was a clever dissimulator, nodding along in class despite having no idea what the teacher was saying.

用法提示：dissimulator 指假装理解或知道的人，这里描述学生掩饰自己的困惑。