onprep.在 ... 之上；由 ... 支撑着；在（某一天）；关于；基于adv.穿着；向前（移动)；表示持续性adj.表示已连接、处于工作状态或使用中；发生；值班Ondar翁达尔

1. She is nervous about going on a blind date.
   她对由他人安排的约会感到紧张。
2. I always get the jitters before I go on stage.
   我登台之前总是感到紧张。
3. I know what's weighing on Ur mind.
   也听见你心中的忐忑不安。
4. Margaret was sitting nervously upright on the edge of her chair.
   玛格丽特忐忑不安地直挺挺坐在椅子边上。
5. He was then sitting on thorns and waiting for you.
   他当时如坐针毡，焦急地等待着你。
6. You look like on pins and needles.
   你好象如坐针毡的样子。