/ˈæɡ.ə.ni/
extreme physical or mental pain (精神或肉体的)极度痛苦
Jack collapsed in agony on the floor.
杰克十分痛苦地瘫倒在地板上。

It was agony not knowing where the children were.
孩子们下落不明真让人揪心。

She waited in an agony of suspense.
她提心吊胆地等待着。

The worst agonies of the war were now beginning.
战争最深重的苦难现在开始了。

Tell me now! Don’t prolong the agony (= make it last longer).
现在就告诉我吧!别再让我心急如焚。