If someone feigns a particular feeling, attitude, or physical condition, they try to make other people think that they have it or are experiencing it, although this is not true.
例句
One morning, I didn't want to go to school, and decided to feign illness...有天早晨我不想上學，于是決定裝病。'Giles phoned this morning,' Mirella said with feigned indifference.“賈爾斯今早來電話了，”米雷拉裝作若無其事地說。
英漢詞典釋義
vt.
假裝,偽裝
She knew that her efforts to feign cheerfulness weren’t convincing.她明白自己強作歡顏是瞞不了誰的。
英英詞典釋義
Verb
1. make believe with the intent to deceive;
"He feigned that he was ill""He shammed a headache"
2. make a pretence of;
"She assumed indifference, even though she was seething with anger""he feigned sleep"