1、預計的，預期的 adj.
What time is the next bus due?
下一班公車甚麽時候來？
The next meeting is due to be held in three months' time.
下次會議預計將在三個月後召開。
Their first baby is due in January.
他們的第一個孩子預產期在一月份。

★in due course 在（將來）適當的時候，到時候
You will receive notification of the results in due course.
到時候你會收到結果通知的。

★due to 由於，因爲
A lot of her unhappiness is due to boredom.
她的不開心主要是因爲無聊。
The bus was delayed due to heavy snow.
公車因為大雪晚點。

2、欠債的，應支付的;應給的
The rent is due (= should be paid) at the end of the month.
租金應在月底交。
£50 is due to me (US due me) from the people I worked for last month.
上個月僱主欠我50英鎊。
Our thanks are due to everyone.
我們應該感謝每一個人。
UK law He was found to have been driving without due (= the necessary) care and attention.
他被發現未審慎駕駛。

★be due for sth. 理應得到…，理應收到…
I'm due for a promotion soon.
我應該很快升職了。

Due process 正當程序