unbearably
adv. 不堪忍受地；无法容忍地
例句
By the evening it had become unbearably hot.
到了晚上天气已热得无法忍受。
《柯林斯英汉双解大词典》
In other places, like Egypt, it is unbearably hot.
另一些地方，像在埃及，天气仍然还是难以忍受地酷热。
The hiatus between new episodes is never too unbearably long!
两部分之间的间隔不会太久！
