Chinese phrase translation:搞鬼 (gǎoguǐ) secretly make mischief

搞鬼 (gǎoguǐ) to practice deception or to play tricks; secretly make mischief

Usage:

“搞鬼”的字面意思是装鬼。比喻暗中使用诡计陷害别人或者搞恶作剧。
The literal meaning of “搞鬼” is to pretend as a ghost. It is a metaphor of practicing deception or playing tricks on somebody or something.
Sentences:

1、Bàngōngshì de rén yìzhí zài gǎoguǐ, xiǎng ràng lǎobǎn bǎ kuàijì kāichú.
办公室的人一直在搞鬼，想让老板把会计开除。
People in the office set up to get the accountant fired by the boss.
2、Nǐ kàn, nàxiē rén xíngwéi kěyí, wǒ gǎn kěndìng tāmen zài gǎo shénme guǐ.
你看！那些人行为可疑，我敢肯定他们在搞什么鬼。
Look！Those men are suspicious. I believe they are playing tricks.