打折

Verb

 * 1) to give a discount; to give a concession
 * 2)  discounted; discount; concession
 * 1)  discounted; discount; concession
 * 1)  discounted; discount; concession

Usage notes
In Chinese, discounts are given in terms of a percentage of the original price and not the percentage off. Also, the zero in the ones place is usually omitted, so 打三折 would be understood to be 30% of the original price (i.e., a 70% discount) and not 3% of the original price.