What idioms are used to describe the unbearable hot weather?

Scorching sun, scorching sun, sweating like a pig, sweating like rain, sweating like rain, sweating like rain, unbearable heat.

Hot sun, flowing gold, hot summer, high umbrella.

The sun is shining violently.

Interpretation: Describe the intense sunshine in summer. It can also be called "scorching sun".

Example: "The scorching sun burns people like fire".

Scorching sun

Interpretation: Sunshine is like fire. Describe the weather is very hot.

It's hot enough to melt rocks and metals ― muggy.

Interpretation: Shuo, Liu: Rong. Describe the hot weather, as if the stone would melt.

Source: "Chu Ci Evocation": "After ten days, there are more stones."

Also known as Shi Shuo Liu Jin, Shi Shuo Liu Jin, Yu Shuo Liu Jin

Ex.: "On a hot day, the golden stone opens the door, and the gold is overflowing. We still have to go to enjoy the cool early." (Twenty-seven chapters of Water Margin)

A hot summer day

Explanation: Very hot summer.

In hot summer, the beach is full of swimmers.

The sun in summer is empty and hot.

Interpretation: Metaphor is scorching sun.

Ex.: Recently, the weather is really hot in summer and the umbrella is high.

Synonym: the hot sun is in the sky