泰森在20岁时赢得了他的第一个重量级冠军头衔。

Tyson won his first heavyweight title at the age of 20.

你肯定至少有20岁。

You must be at least 20 years old.

当我们在20岁出头的时候，这些品味就被牢牢锁定了。

By the time we're in our early 20s, these tastes get locked into place pretty firmly.

我第一次谈恋爱的时候20岁。

I was 20 when I first fell in love.

她生第一个孩子时只有20岁。

She was only twenty when she had her first baby.

她今年20岁。

She is 20 years old this year.

我今年20岁，在柏林大学学习经济学。

I am 20 years old and I am studying economics at university in Berlin.

我们是一个男女生人数相等的混合班，都是20岁左右。

We are a well-mixed class with equal numbers of boys and girls, all about 20 years old.

艾登：你现在20岁。

Aiden: You are now 20 years old.

他下次是20岁生日。

He will be twenty next birthday.