If, by any chance, he failed to come, we'll ask John to work the machine.

万一他不来，我们就叫约翰开机器。

youdao

At last he quickened his pace but still failed to come up with us.

他最后加快了步伐，但仍旧追不上我们。

youdao

At last he quickened his pace but still failed to come up with us.

他最后加快了步伐，但仍旧追不上我们。

youdao