One day someone will walk into your life, then you realize love is always worth waiting for.有一天那个人走进了你的生命，你就会明白，真爱总是值得等待的。

1. one day可以指过去或将来的某一天，可以用于过去时或将来时的句子中：

I just live in hope that one day she&39;ll talk to me

我只是妄想着有一天她会和我说话。

One day I&39;ll want to settle down and have a family

总有一天，我会想安定下来，成个家。

It is my destiny one day to be king.

我命中注定有一天要成为国王。

I have a feeling that everything will come right for us one day

我有种感觉，事情总有一天会变得对我们有利的。

I too dreamed of living in London one day

我也梦想过将来有一天能住在伦敦。

Maybe one day you&39;ll find true love

也许有一天你会找到真爱。

One day virtual reality will revolutionize the entertainment industry.

有一天虚拟现实将使娱乐业发生革命性的变化。

He called her up one day and said that he and his wife were coming to New York

有一天，他给她打电话，说他和妻子要来纽约。

One day he just upped and left.

有一天他突然就离开了。

She forgot to lock her door one day and two men got in

有一天她忘了锁门，两个男人溜了进来。

One day I had dinner with her at that restaurant.

有一天我和她在那家餐厅吃晚饭。

当然，也可以指时间段：一天

The guests will stay in Beijing for one day and then fly to Tianjin.

客人将在北京停留一天，然后飞往天津。

《汉英大词典》

2.be worth doing 值得做某事

be worth sth值得做某事

The museum is certainly worth a visit.

这家博物馆的确值得参观。

This restaurant is well worth a visit

这家饭店非常值得光顾一番。

It is worth pausing to consider these statements from Mr Davies.

戴维斯先生的这番话值得大家停下来思考一下。

This novel is worth reading.

这部小说值得一读。

This idea is well worth considering.

这个想法很值得考虑。

It&39;s worth making an appointment before you go.

去之前预约一下是值得的。

He&39;s decided to get a look at the house and see if it might be worth buying

他决定去瞧瞧那座房子，看是否值得买下。

be worthy to be done

worthy是形容词，这个词的后面要跟介系词of，of之后才要跟动名词的被动式，或者直接跟不定式的被动式。如：

The book is worth reading.

=

The book is worthy of being read.这本书值得看看。

The museum is worthy to be visited/of a visit/of being visited.

这个博物馆值得参观。

当然，be worthy of sth也指做某事值得，配得上

A number of the report&39;s findings are worthy of note .

这份报告里有些调查结果值得注意。

He felt he was not worthy of her.

他觉得他配不上她。

The Minister says the idea is worthy of consideration

部长说这个想法值得考虑。

They regard the problem as not worthy of serious consideration.

对这一问题他们都认为不屑一顾。

His spirit of assiduous study is worthy of emulation.

他刻苦钻研的精神，值得效法。

He is worthy of the title of labour hero.

劳动英雄的称号，他当之无愧。

worthwhile，也是形容词，它可以作表语，后面可以用动词不定式和也可以用动名词，作其真正的主语：

It&39;s worthwhile to read the book. 这本书值得看看。

It might be worthwhile to consider your attitude to an insurance policy.

考虑一下你对投保的看法也许有所助益。

It is worthwhile to ruminate over his remarks.

他的话值得玩味。

Is it worthwhile getting angry over such a trifling matter?

为这点小事犯得着生气吗？

He is worthy of all your adoration.

他值得你倾慕。

It wasn&39;t worthwhile to continue/continuing the project.

继续这个项目很不值得。

If it&39;s worthwhile doing something, it&39;s worthwhile doing it well.

值得做的事情，都值得做好。