at the latest

汉语翻译

例句：

1. As we expect to receive three large sum within the next few day, we will send you some money by monday at the latest.
   数日之内我们将有三笔大额进款，所以我们最迟于下星期一以前定给贵方汇款。
2. Passenger shall check in one hour before their flight time at the latest.
   乘客至迟应在班机起飞前一小时办理登机手续。
3. I'll give you a definite answer on Friday at the latest.
   我最迟星期五给你一个确切的答复。
4. Passengers should check in one hour before their flight time at the latest.
   乘客至迟应在班机起飞前一小时办理登机手续。