This dress was a steal! I got it for two-thirds off.

这件衣服真是太便宜了！我以三分之一的价格买了下来。

youdao

It claims the world's only parasitic conifer and nearly two-thirds off the world's species of Araucaria trees, all of which are endemic.

它宣称是世界的唯一地方性的寄生针叶树和世界三分之二地方性的南洋杉树的种类。

youdao

The queen goes off with about two-thirds of the worker bees to live in a new home leaving a daughter queen in the nest with the remaining worker bees.

蜂王带着大概三分之二的工蜂离开前往新的地方居住，而留下一只“公主”同剩下的工蜂继续居住在原来的巢内。

youdao

He had already sold 22% of his company to British Telecom, and the debt load knocked two thirds off his stock price in the next two years, as a recession cut into revenue growth.

FORBES: "We're On A Collision Course"

Wall Street promptly lopped two-thirds off the stock.

FORBES: After the Bubble

In Ipswich, two-thirds of off licences have taken the products off their shelves, which police say has helped to halve drink-related street crime.

BBC: Street drinker