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- I lent him 5 on the understanding that he would repay me today. 我借给他5英镑，条件是他今天得还给我。
- I understand that that company is on the rocks. 我知道那家公司要破产了。
- You'd better understand that she is on the rack. 你最好了解她十分痛苦。
- The system works on the principle that heat rises. 该项装置是按照热力上升的原理运转的。
- That's all there is to be said on the subject. 关于这问题，要说的就这么多。
- I've got that song on the brain. 那首歌曲一直萦绕在我的脑海里。
- But that all depend on the specific circumstances. 不过，那要看具体情况而定。
- Don't scrape your feet on the floor. 别用脚蹭著地板。
- I hit him fair and square on the jaw. 我不偏不倚打中他的下巴。
- He reported on the whole event to the minister. 他把整个事件向部长做了汇报。
- The children are playing on the swings in the park. 孩子们在公园里荡秋千。
- Stopped by on the off chance that they're home. 停下车看看，既使他们在家的可能性很小
- The sound of that drill jangles horribly on the nerves. 那台钻机的声音响极了，十分刺耳。
- He is on the inside of that deal. 他知道那笔交易的内幕。
- That picture on the wall looks cock-eyed to me. 我看墙上那幅画歪了。
- That boy is quick on the uptake. 那男孩理解能力很强。
- That radio show is still on the air. 那个广播剧还在播送。
- She is pounding out a new rune on the piano. 他正在钢琴上弹奏一支新曲。
- That car tried to pass me on the inside. 那辆汽车试图从道路的内侧超过我。
- The aging football player was playing on the skids. 那个上了年纪的足球运动员很明显地在走下坡路。
