难耐

nán nài de bù mián yè

难耐的不眠夜

a tormenting sleepless night

kù rè nán nài

酷热难耐。

The heat was insufferable.

wǒ men zài nán nài de kù rè zhōng zǒu le duō yīng lǐ

我们在难耐的酷热中走了20多英里。

We walked more than twenty miles in the blistering heat.