“提心吊胆地”可以用英语表达为 “in fear/trepidation” 或 “with bated breath/heart in one's mouth” ，具体释义和用法如下：
1、 in fear/trepidation
释义：该短语强调持续处于害怕、担忧的状态，生动体现“提心吊胆”的心理感受。
例句：She walked through the dark alley in fear, constantly looking over her shoulder.（她提心吊胆地穿过黑暗的小巷，不停地回头张望。）
2、 with bated breath
释义：字面意思是“屏住呼吸”，常用来形容极度紧张、焦虑，等待结果或事情发展时“提心吊胆”的状态。
例句：The audience watched the final moments of the game with bated breath.（观众提心吊胆地看着比赛的最后几分钟。）
3、 heart in one's mouth
释义：字面意思是“心提到嗓子眼儿”，形象表达出极度紧张、担忧的情绪，与“提心吊胆”意思相近。
例句：I had my heart in my mouth as I waited for the test results.（我提心吊胆地等着考试结果。）