vi.
发抖，打颤，哆嗦，战栗：
The girl trembled all over.
女孩浑身颤抖。
The children trembled with fright.
孩子们被吓得发抖。
She trembled
at the thought that she might never see him again.
一想到自己也许再也见不到他时她就发抖。
担心；恐惧；焦虑：
The parents trembled for their daughter's safety.
父母为女儿的安全担心。
震