in a cold sweat

• 捏一把冷汗,提心吊胆地

in a cold sweat的用法和样例：

例句

1. They lived in fear of their master.
   他们惧怕主人，提心吊胆地过日子。
2. My heart was in my mouth as I went into the haunted house.
   我提心吊胆地走进那间闹鬼的房子。