a common occurrence (idiom)
司 · 5 strokes
Depicts using a scepter and a mouth (口) to command or take control of something.
空 · 8 strokes
Phonosemantic compound. 穴 represents the meaning and 工 represents the sound.
见 · 4 strokes
Simplified form of 見. Pictograph of a person (儿) using their eye (目) to see (見).
惯 · 11 strokes
Phonosemantic compound. 忄 represents the meaning and 贯 represents the sound. Simplified form of 慣.
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.