The official start of the second class, party finally.

第二节课，联欢会终于正式开始。

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A few minutes before the official start time of 10am, the doors are thrown open.

据官方规定的入场时间上午十点整还有几分钟的时候，门突然打开了。

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Former Iditarod champion Jeff King charges down the trail just after the official start.

艾迪塔罗德赛卫冕冠军杰夫•金的雪橇队在正式开赛后向前进发。

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But the former Bosnian-Serb leader says he will not attend the official start of his trial because he had "not enough time to prepare his defense."

VOA: standard.2009.10.25

The holiday shopping season got off to a good official start this past weekend.

FORBES: Will The Holiday Shopping Season Be Good for Retailers?

His official start date is 22 November, but Mr Hogg said he would start the job "immediately".

BBC: Devon and Cornwall PCC Tony Hogg to 'walk the beat'

U.S. retailers can be happy about their performance on black Friday, the so-called official start of the holiday retail season.

FORBES: Magazine Article