Y-fronts
n [pl] (Brit propr 专利名) men's underpants, with seams and an opening in the front sewn in the shape of an inverted Y 男用内裤(前有倒Y形开口者)
a pair of Y-fronts 一条男用内裤(前有倒Y形开口者).
Young men who have reason to fear that they will be killed in battle may justifiably feel bitter in the thought that they have cheated of the best things that life has to offer.