学生必须按期还书，否则就得为这本到期没还的书交罚款。

Students must return the book by the due time; otherwise they'll have to pay a fine for the overdue book.

我必须交罚款吗？

Must I pay any fines?

如果我透支了怎么办？我必须交罚款吗？

What if I overdraw? Must I pay any fines?

我向你打赌25英镑，如果刑事被告能交罚款了事。

I bet you￡25 the accused will get off with a fine.

在大连红旗小学（东） 超速50%以下交罚款么？

In Dalian red flag elementary school (east) hypervelocity, does 50% following deliver a fine?

还有的人则无视计划生育法令,交罚款生育多胎.

Others flout the family planning laws and pay fines to have more than one child.