not having any mistakes, faults, or damage

完美的，完好的，十全十美的;

His English was perfect.

他的英语很地道。

The car was in perfect condition.

这辆车的车况极佳。

You're very lucky to have perfect teeth.

你太幸运了，能拥有一口完美的牙齿。

a perfect performance

完美的演出

In a perfect world , we wouldn't need an army.

在理想世界中，我们不需要军队。

as good as possible, or the best of its kind

最佳的，理想的:

The weather was perfect the whole week.

整个星期天气都非常好。

a perfect example of Gothic architecture

极其典型的哥特式建筑

The clothes were a perfect fit.

这身衣服太合体了。

a perfect solution to the problem

解决此问题的绝佳方法

Ronnie was in perfect health.

龙尼十分健康。

Good, you're home. Perfect timing – dinner's on the table.

好极了，你回来啦。正好，晚饭摆上桌了。

exactly what is needed for a particular purpose, situation, or person

最适当的，完美的; 理想的;

That's perfect! Just the way I wanted it to look.

那太完美了！正是我想要的样子。

Crusty bread is the perfect accompaniment to this soup.

脆皮面包是这种汤的绝配。

The land is perfect for sheep farming.

这片土地是养羊的理想之地。

She thought she'd found the perfect place to live.

她想她找到了理想的家。

a perfect day for a picnic

野餐的理想日子

the perfect actor for the part

扮演这个角色的最佳人选

nobody's perfect, [spoken] said when you are answering someone who has criticized you or someone else

人无完人:

So I made a mistake! Nobody's perfect.

我是犯了个错误！人无完人嘛。

have a perfect right to do sth, used to emphasize that it is reasonable for someone to do something

完全有理由做某事:

He has a perfect right to know what's happening.

他完全有理由了解目前发生的事情。

perfect stranger / fool / angel etc, used to emphasize that someone has a particular quality completely

完全陌生的人/十足的傻瓜/十足的好人等;

I felt a perfect idiot.

我感到自己是个十足的傻瓜。

to make something as good as you are able to

使…完美，完善:

Mock trials help students perfect their legal skills.

模拟庭审有助于学生们完善自己的律师技能。

the perfect, [technical] the form of a verb which is used when talking about a period of time up to and including the present. In English it is formed with 'have' and the past participle.

〔动词的〕现在完成式;