Life expectancy is increasing at 2 years for every decade, that means an extra 5 hours a day.

人类平均寿命每10年会增加2年，这意味着每天会多出来5个小时。

youdao

Usually, an English speaker takes about 1,320 hours to become good at Chinese.

通常，一个说英语的人要花大约1320个小时才能学好中文。

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When we sleep below six hours per we're at an increased risk of health problems.

当我们每小时睡眠不足6小时，就会有增加我们健康问题的风险。

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Hours later in Peshawar, officials say an attacker in a parked car threw a grenade at a crowd of people outside the Askari Bank before exploding in the car.

VOA: standard.2009.09.26

The attacks in Pakistan's east took place hours after a suicide car bomber targeted a police station at a garrison town about an hour's drive from the northwestern city of Peshawar.

VOA: standard.2009.10.15

Jean, a restaurant hostess, who logged into her account at an after-hours gathering with a Houston's manager to show him the site.

WSJ: Employers Watching Workers Online Spurs Privacy Debate

In 1969, Lopez invited Springsteen to jam at an after-hours loft, called the Upstage, above a Thom McAn shoe store in Asbury Park.

NEWYORKER: We Are Alive

Military aircraft land at and take off from an airstrip there at all hours.

NEWYORKER: The Taliban��s Opium War