be due to leave/arrive:预定出发/到达时间

date due:截止时间 in due time:在适当时间

due process:合法程序

due punishment:应得惩罚

tax due/payable:应付税款

due to:由于

with all due respect:恕我冒昧/直言

Give the devil his due:平心而论

undue:过度的 overdue:逾期的