unendurable

The heat in the room was unendurable, so we opened all the windows.

用法提示：unendurable 是形容词，表示“无法忍受的”，在此句中描述“炎热”的程度。

She found the pain unendurable and called the doctor immediately.

用法提示：unendurable 是形容词，说明“疼痛”让人无法承受，用来强调感受的强烈程度。

The noise from the construction site became unendurable for the residents.

用法提示：unendurable 是形容词，表明“噪音”已经超出可容忍的范围，描述主语的性质。