司空见惯

在北方寒冷的冬天，大雪封山、道路结冰是当地人司空见惯的景象。

zài běi fāng hán lěng de dōng tiān, dà xuě fēng shān, dào lù jié bīng shì dāng dì rén sī kōng jiàn guàn de jǐng xiàng.

In the cold winter in the north, heavy snow closing the mountains and icy roads are common sights for the locals.