尖锐的批评／问题／评论等
a criticism, question, remark, etc. that is unpleasant or uncomfortable because it is expressed strongly, or it makes you think about or discuss something that you would prefer not to
She hadn't really meant to lie, but their piercing questions had forced her to. 她本不想说谎，但他们尖锐的问题使她不得不这样做。
He was famous for his piercing criticism in board meetings.
If you think that kind ofbehaviour is appropriate, you need to ask yourself some piercing questions.
The report makes some piercing comments about the company's lack of strategic planning.
My mother often made piercing remarks about my appearance.
See also: piercing adjective