You might find it relaxing to bring your small kid to a half-hour Story Time while you sit quietly in a corner with a good book.

你可能会发现，带着你的孩子听半小时的故事，而你坐在角落里读一本好书，是一件很放松的事情。

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In the story he gave the police, half an hour was left unaccounted for.

他对警察的陈述中有半个小时的事情未交代清楚。

《牛津词典》

The long story is shorten, we have to finish the story in one and a half hour.

长故事被缩短，我们不得不在一个半小时内看完。

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After a two-and-a-half hour interview, veteran sports reporter Schaap said Te'o's story sounded convincing.

CNN: Manti Te'o denies he was part of girlfriend hoax

The Life Story of David Lloyd George - a two-and-a-half hour epic about the UK's leader during World War I - had been presumed lost after it disappeared in 1918.

BBC: Lost Lloyd George film gets showing

Real life is fascinating, and the real history of the Thirteenth Amendment is complex and compelling, but nobody should deceive himself into imagining that the full history of three-year constitutional battle can be turned into a two-and-a-half hour film that gets your heart pounding and fills your eyes with tears as this wonderful story does.

FORBES: In Lincoln (2012 Movie), Why Did Lincoln Rush The Vote On The 13th Amendment?