挺硬 meaning in Chinese

stiff

Rage and hate flowed into her and stiffened her spine .
忿怒和憎恨交并而来，立刻挺硬了她的脊骨。
And even stiff cabbages were limp by noon
正午时，连挺硬的卷心菜都蔫了。
Still his muttonchop whiskers grew
据说他的后台挺硬。
Yesterday , i dream of you , true , the sky is so ming jing , sunshine is so beautiful , the sea is so boundless , you stand in azure seaside , i take small stick one disclose you , hey , this is small bastard , case is quite strong still
昨天，我梦见你了，真的，天空是那么明静，阳光是那么明媚，大海是那么一望无垠，你站在蔚蓝的海边，我拿小棍一捅你，嘿，这小王八，壳还挺硬！