•The dollar surged against the yen in the final half hour of trading.在交易的最后半小时里美元对日元的汇率猛升。

•Half an hour later, she was smiling and chatting as if nothing had happened.半小时后，她又谈笑风生，仿佛甚么事都没发生过。

•She is to host a new half-hour show which will be broadcast every weekday evening.她将主持一档新的半小时节目，在平日晚间播出。

•Trains for Washington depart on the/every half hour (= at 10.30, 11.30, etc.).开往华盛顿的列车每逢半点发出一班。