Proverbs or allegorical sayings that can describe swallows

The proverbs of swallows flying low are all about weather, I hope I can help you! ! !

1/ Swallows fly low, snake gallery, rainstorm is coming.

2/ Swallows fly low and go out with hemp fiber.

3/ Swallows fly low in the snake aisle, but chickens don't return to magpies.

4/ Swallows fly low, it's going to rain.

5/ Swallows fly low in the snake aisle, and water tanks wear skirts and hats.

6/ Swallows fly low and it will rain.

7/ Swallows fly low and dogs eat grass. This heavy rain is no small matter.

8/ Swallows fly low in the snake aisle, and it will rain when ants move.