The first class begins at 7:50 am.

第一节课于7点50分开始。

youdao

The first class begins at 8 o'clock in the morning.

第一节课从早上八点开始。

youdao

It arrived by first-class mail in second-class condition. It is impossible to tell where the law stops and justice begins.

头等邮件收到时却是二等情况。你无法说得准在何处法律让位给正义。

youdao

However, this time around the tourists have three first-class matches - with South Australia and Australia A still to come - before the first Test begins in Brisbane on 25 November.

BBC: Ashes: Collingwood focused on England not Australia

Following their 4-1 defeat to South Africa in the one-day series, this match is their only first-class fixture before first of two Tests begins in Durban on Thursday.

BBC: Pakistan fall to Peterson spin