v.使 ... 惊骇;使 ... 吓坏;削弱;失败
We were appalled when we heard that the chairman had been murdered. 听说主席被谋杀,我们都吓坏了。
appal的基本意思是“使大为震惊; 使惊骇”,是及物动词,暗示因极大的恐惧或怪异而吓倒。
appal在美式英语中也可以写作appall。