那可怕的景象让他不寒而栗。

The gruesome sight made him ___shudder.

一想到不得不发表演讲，她就浑身发抖。

She ___shuddered at the thought of having to give a speech.

回忆起那场事故，他感到一阵战栗。

He ___shuddered at the memory of the accident.