Her modesty is all put on; at heart she is very vain.

她的谦逊全假装的, 内心里她荣的。

I chatted up the paper's editor, feigning interest in his anecdotes .

我故意和报纸编辑攀谈，假装对他的奇闻轶事感兴。

He faked an interest in my work.

他假装对我的工作感兴。

She assumed a look of sorrow.

她假装着悲伤的样子。