如坐针毡

jiē dào kǒng hè diàn huà hòu tā zhěng tiān rú zuò zhēn zhān

接到恐吓电话后，他整天如坐针毡。

After receiving the threatening phone call, he became extremely alarmed and fidgeted all day.

tā bèi hòu yǒu yī zhāng yǐ zi tā tuí rán luò xia rú zuò zhēn zhān wéi kǒng bié rén kàn jiàn tā

他背后有一张椅子，他颓然落下，如坐针毡，惟恐别人看见他。

There was a chair behind him. He dropped into it, terrified at the thought that he might be seen.