agonizing

痛苦难忍的、剧痛的

He felt an agonizing pain in his lower back after the fall.

跌倒之后，他的下背部感到一阵剧痛。

煎熬的、令人揪心的、折磨人的

The families endured an agonizing wait for news of the survivors.

这些家庭在煎熬中等待生还者的消息。

艰难的、令人为难的

Choosing between the two job offers was an agonizing decision.

要在两个工作机会之间做选择，是个艰难的决定。

苦恼、犹豫不决、伤脑筋常与 over 或 about 连用

She spent weeks agonizing over whether to move abroad.

她花了好几个星期苦恼要不要搬到国外。