Her lips was trembling with fear.
她的嘴唇因恐惧而颤抖着。
The little tree trembling in the storm.
那棵小树在暴风雨中摇晃着。
I tremble at the thought of taking the final exam.
我一想到要参加期末考试就浑身发抖。
As the novel coronavirus gripped the country, the global electronics industry trembled.