They would have been here by now if they'd caught the early train.

假若他们赶上了早班火车，现在就该到这里了。

《牛津词典》

Toad went up to Town by an early train this morning.

托德今早乘早班火车到镇上去了。

youdao

I intended to catch the early train, but I didn't get up in time.

我本来打算赶早班的火车，但是我起晚了。

youdao

We don't live that far away, and both tickets are for morning sessions, so it's going to be an early train for us up to London.

BBC: London 2012: 'Brilliant! I'm going to the Paralympics!'

In another case a young woman stumbled onto the tracks and was hit by a train early on New Year's Day.

WSJ: NYC subway safety options discussed

The strategy can be very rewarding for investors who catch the train early, and leave it on time, before momentum turns in the wrong direction.

FORBES: 1 Little Thing that Kills Momentum