I waited for half an hour.(我等了半個小時。)

It takes about half an hour to get to the airport.(到機場大概需要半小時。)

The interview lasted half an hour.(會見持續了半小時。)

He'll arrive at the office in about half an hour.(他大約半小時后會到辦公室。)

Half an hour before kick-off, a list of the Brazilian team was given out to journalists.(開球前半小時，一份巴西隊名單被分發給了記者。)

After half an hour, the fish stopped biting and we moved on.(過了半小時，魚不再上鉤，我們就走開了。)

Half an hour later, the two friends were blithely jogging eastward on Hendon's sorry steeds.(半小時后，這兩個朋友騎著亨頓那匹可憐的駿馬愉快地向東慢慢走。)

The performance finally started half an hour late.(晚了半小時以后演出終于開始了。)

Please check in half an hour prior to departure.(請在起飛前半小時辦理登機手續。)

A lot of people feel that half an hour is just enough time to relax.(很多人覺得半小時就足夠放松了。)