hard-shell
/ˈhɑːdʃel/adjective
attrib.
1
- having a hard shell or outer casing硬壳的, 硬皮的：
a hard-shell suitcase.
硬皮手提箱。
2
- chiefly US rigid or uncompromising, especially in fundamentalist religious belief〈主美〉（尤指在原教旨主义宗教信仰上）僵硬死板的; 顽固不化的; 不妥协的。