1. （變化或事件）早該發(fā)生的 If you say that a change or an event is overdue, you mean that you think it should have happened before now.
overdue
e.g. This debate is long overdue... 這場(chǎng)辯論早該進(jìn)行了。 e.g. I'll go home and pay an overdue visit to my mother. 我將回家看望母親，其實(shí)我早該回去了。
2. （錢(qián)款）到期未付的，拖欠的 Overdue sums of money have not been paid, even though it is later than the date on which they should have been paid.
e.g. Teachers have joined a strike aimed at forcing the government to pay overdue salaries and allowances. 教師加入了旨在迫使政府支付拖欠薪水和津貼的罷工。
3. （圖書(shū)館的書(shū)）逾期未還的 An overdue library book has not been returned to the library, even though the date on which it should have been returned has passed.