司空见惯 (sī kōng jiàn guàn)

a common occurrence (idiom)

Character breakdown

Usage

在北京,早晚高峰堵车已经是司空见惯的事了。

In Beijing, traffic jams during the morning and evening rush hours are a common occurrence.

Zài Běi jīng, zǎo wǎn gāo fēng dǔ chē yǐ jīng shì sī kōng jiàn guàn de shì le.