What was worse, she lost her parents at the age of twenty.

更糟糕的是，她在20岁时失去了父母。

youdao

At the age of twenty and with his mother's support, Xu set off for the first time, leaving behind not only his mother but his new wife as well.

徐在20岁那年，在母亲的支持下第一次出发了，留下的不仅是他的母亲，还有他的新婚妻子。

youdao

Sherlock was a male baboon who, at the age of twenty-four, was about ninety in human terms.

夏洛克是一头二十四岁的成年雄性狒狒，按人类年龄来算，他已有九十岁。

youdao

At the age of twenty-one, she won a national contest to design the Vietnam Veterans Memorial in Washington,D.C.

VOA: special.2009.05.06

In nineteen sixty, at the age of twenty-three, she made her international debut at the Paris Opera.

VOA: special.2009.11.30

Two years later,"Roman Holiday" made her a star at the age of twenty-four.

VOA: special.2009.10.16

At the age of twenty-one, in 1906, Modigliani arrived in Paris as a vivacious dandy.

NEWYORKER: Long Faces

His social-network site was growing fast, but, at the age of twenty-three, he felt ill-equipped to run it.

NEWYORKER: A Woman��s Place

However for some reason I find myself at the age of twenty nine, ninety thousand dollars plus interest in the hole!

FORBES: America's Existential Peril: 29 Years Old, In Debt, and Disheartened