causing extreme physical or mental pain使人十分痛苦的;折磨人的
an agonizing death痛苦的死亡
causing extreme worry令人焦虑不安的
She went through an agonizing few weeks waiting for the test results.检查结果出来前的几个星期里,她每天都提心吊胆,度日如年。
We are faced with an agonizing choice/decision/dilemma.我们面临痛苦的选择/抉择/两难困境。