1. "Stuffiness" refers to a hot and airless atmosphere, making the environment feel uncomfortable. Its adjective form is "stuffy," and "hot and stuffy" describes a climate that is both excessively warm and oppressive. For example: "We cannot stand the stuffiness of the room." (我们无法忍受房间里的闷热。)
2. "Scorcher" is a term used to describe a day that is extremely hot. It suggests a heatwave that can be intense and unpleasant. For instance: "It’s been getting really hot lately—I think we’re in for a scorcher this summer." (最近天气开始变得非常热——我觉得今年夏天我们可能会遭遇酷热。)
3. "Sizzling" is an adjective that describes something extremely hot, often used to convey the intense heat of the sun or a cooking surface. For example: "The sun was beginning to sizzle the land." (太阳开始炙烤大地。)
4. "Blazing hot" is an expression that combines the word "blaze," which can refer to a fierce fire, with "hot," indicating a temperature that is very high and potentially uncomfortable. As in: "It’s blazing hot outside." (外面热得像火烤。)
5. "Dog days" is an idiomatic expression for the hottest days of summer, thought to be a period of lethargy and discomfort. For instance: "People like staying at home during the dog days." (在三伏天，人们喜欢待在家里。)
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