in time和on time有什么区别

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in time和on time有什么区别
Hi there!
嗨，你好啊！
This week on Ask a Teacher, we will answer a question about the difference between "in time" and "on time"?
本周《名师答疑》，我们将回答in time和on time有什么区别。
Dear VOA, what is the difference between "in time" and "on time"?
亲爱的美国之音，in time和on time有什么区别？
I appreciate that you can help me understand them.
我很感激你能帮我理解这两个词组。
I'm looking forward to seeing your answer.
期待看到你的答复。
Have a great day, Nguyen.
祝你有愉快的一天，源。
Thanks for this great question, Nguyen!
谢谢你提出这个好问题，源！
Both "on time" and "in time" have to do with being punctual and deadlines.
这两个词组都与准时和最后期限有关。
Sometimes people use these expressions interchangeably, but they are different.
有时这两个词组可以互换使用，但它们还是不同的。
And "in time" has a few more uses.
in time的用法更多。
Let's look at each one.
让我们逐个来看。
"On time" is an expression that includes a preposition (on) and a noun (time).
on time是一个包含介词on和名词time的短语。
If something is "on time" it arrives at or by an exact time or deadline. It is not late.
如果某件事是on time，那么这件事会在准确的时间或某个具体时间和期限之前发生。它不会迟到。
You can think of "on time" as when something happens.
你可以把on time理解为某事发生的时候。
And if it happens at that exact time, then it is "on time."
如果在那个准确的时间发生，那么它就是“准时的”。
Jordan did not submit her homework on time, so she received 5 points off.
乔丹没有按时交作业，所以被扣了5分。
The train is always on time so I am never late to work.
火车总是准点，所以我上班从不迟到。
Let's move onto "in time."
我们接着讲in time。
"In time" is also an expression that includes a preposition (in) and the noun (time.)
in time也是一个包含介词in和名词time的短语。
Like "on time," it is used to talk about deadlines and times.
和on time一样，它可以表示截止日期和时间。
It means early enough or not too late for something to happen.
in time表示某事发生的时间足够早或还不算太晚。
Often, we use it to talk about something in relation to another event or thing using another preposition "for" after the expression.
通常，我们用in time表示相对于另一个事物的关系，会在in time后加上介词for。
Even though my train was late, I got to work in time for the meeting.
虽然我的火车晚点了，但我上班还是赶上了开会。
We made it home in time to watch our favorite show.
我们及时赶到家，看到了最喜欢的节目。
"In time" is also used two other ways.
in time也有另外两种用法。
In music, "in time" means to keep a rhythm or speed.
在音乐中，in time的意思是保持节奏或速度。
The tap dancer was able to keep time with the musicians.
这位踢踏舞者能够跟上音乐的节奏。
And "in time" also means "eventually."
in time也可以表示“最终”。
We use it to describe the passage of time and something happening in the future.
我们用in time来描述时间的流逝和未来发生的事情。
In time, the leaves will turn bright colors as autumn settles in.
最终，随着秋天的到来，树叶会变成鲜艳的颜色。
The medicine will start to work, and you will feel better in time.
药会开始起作用，你过一段时间就会感觉好一些。
Please let us know if these explanations and examples have helped you, Nguyen.
源，请让我们知道这些解释和例子是否对你有帮助。
And that's Ask a Teacher.
以上就是《名师答疑》。
I'm Faith Pirlo.
我是费思·皮尔洛。