soft underbelly短语⁷⁹⁹⁷⁸⁺⁹ 基本Thesaurus na.软弱害的部位;🌏软肋;软下腹 as in.Achilles' heel 同义词chink in the armor,deficiency,frailty,handicap,susceptibility,weakness Achilles' heelnoun vulnerability chink in the armor,deficiency,frailty,handicap,susceptibility,weakness