Thick clouds covered the sky. Red clouds here refer to clouds, which are densely covered, and thick clouds cover the sky, which is generally a sign before snow.

Sentence: Snowflakes, like goose feathers, fall from the sky with dense clouds and soon turn white when they fall to the ground.

Homonym idioms:

1. Together? (Tó ng Chó u Dí k I): It means that everyone hates the enemy. With "the same enemy"

Sentence making: Seeing that everyone was so United, he cried while shouting slogans.

2.* * * Sleeping in the same bed (tóng Chuáng gòng zhūn): refers to one head sleeping in a bed. Refers to husband and wife life.

Sentence: Two people slept together in silence again, but it was completely different from the previous situation of sharing the same bed.

3.tóng liú hé wū: flow: vulgarity; Dirt: Dirty. It means doing bad things with bad people.

Sentence: He doesn't want to follow the crowd.

4. The same day? (Tang Riel y ǔ)? : refer to the same.

Sentence: I know that two people have different tactical attainments.