靠左行!

Keep to the left!

车辆靠左行驶是英国的制度。

It is the practice in Britain to drive on the left.

在英国汽车靠左侧行驶。

In Britain cars are driven on the left.

路标上写着“靠左行＇， 我想不能从这儿向右拐。

The sign says Keep Left', so I don't think we can turn right here.