1. 便宜地：on the charge of 以. 之罪 | on the cheap 便宜地 | on the contrary 正相反

2. 以最小的代价作某事：On the case 令状,诉讼 | On the cheap 以最小的代价作某事 | On the dot 准时地

3. 便宜的：(
22) On call:待命 | (
23) on the cheap:便宜的 | He is always trying to get things on the cheap.他总是想贪便宜.

4. 便宜;低廉：feel cheap, look small 自惭形秽的 | on the cheap 便宜;低廉 | spare no expense 不惜工本