"not bat an eye" in Chinese (Simplified)
无动于衷毫不惊讶
Definition
在大多数人会有反应的情况下，完全不表现出惊讶或情绪。
Usage Notes (Chinese (Simplified))
这是一个常用的习语，略微正式，表示即使遇到震惊的事也完全淡定、冷静。常用于描述面对意外的态度。
Examples
She heard the loud noise but did not bat an eye.
她听到巨响却**无动于衷**。
He lost his wallet and did not bat an eye.
他丢了钱包，居然**毫不惊讶**。
The teacher announced a surprise test, but the students did not bat an eye.
老师宣布有小测验，学生们却**无动于衷**。
When he saw the broken window, he did not bat an eye and just kept walking.
他看见窗户碎了，却**无动于衷**，继续走路。
She got fired and did not bat an eye—she just packed her things and left.
她被解雇了，却**毫不在意**，收起东西就走了。
You could tell him the wildest story and he’d not bat an eye.
你给他讲最离奇的事情，他也**不会有半点惊讶**。