煞有介事
shàyǒu-jièshì
to make a great show of being serious
Every meaning
shàyǒu-jièshì
- to make a great show of being serious
Its characters
- 煞shàevil spirit; malignant deity
- 有yǒuto have; to own
- 介jièto lie between; to introduce (as in 介绍)
- 事shìthing; matter; affair
Words with 煞
Words with 有
Meanings from our own dictionary. Chengyu from the Xinhua idiom list, the most common first.