on time in time的區(qū)別主要在于含義及用法上。on time中文翻譯為“準(zhǔn)時”、“按時”，具體是指按照規(guī)定的時間完成了某事；in time中文翻譯為“及時”、“合拍”、“遲早”，具體是指正趕上時候或恰好在需要的時候完成了某事。
一、on time的含義及用法
on time意為準(zhǔn)時;按時。例句有：
1、They are unlikely to get here on time, I fear.
恐怕他們不大可能準(zhǔn)時到達(dá)這里。
2、We worked like crazy to get it done on time.
我們拼命地干，好按時完成這項工作。
3、It was a real struggle to be ready on time.
要按時做好準(zhǔn)備確非易事。
4、You'll have to leave soon to make certain of getting there on time.
你得快點出發(fā)，好確保準(zhǔn)時到達(dá)那里。
5、Please make every endeavour to arrive on time.
請盡全力按時到達(dá)。
6、It was very fortunate for him that I arrived on time.
算他運氣好，我準(zhǔn)時到了。
二、in time的含義及用法
in time意為及時;合拍;最終;遲早。例句有：
1、I hope we get there in time.
我希望我們及時到達(dá)那里。
2、Did you get your article done in time?
你的論文按時完成了嗎？
3、Going into the hotel is like stepping back in time.
走進(jìn)這家旅館就像是回到了過去。
4、We were all running around trying to get ready in time.
我們東奔西跑，望能按時準(zhǔn)備就緒。
5、I've been working like nobody's business to get it finished in time.
為按時完成任務(wù)，我一直在快馬加鞭地工作
