I was always the odd one out at high school, because I had no friend and I always felt depressed.

高中时，我总是与同学们格格不入的那一个，因为我没有朋友，而且总是很抑郁。

youdao

Dog, cat, horse, shoe—which is the odd one out?

狗、猫、马、鞋—哪一个不属同类？

《牛津词典》

Vibert has always been the odd one out among that trio.

在这三人组中，维贝特总是与众不同。

youdao

Russia is now considered the odd one out of the BRICs and you can see why.

BBC: The global financial crisis and the BRICs

Malaysia was always the odd one out of the four worst-hit Asian economies.

ECONOMIST: Odd man in

G8 summit of rich, democratic nations, which opens in Okinawa on July 21st, it will indeed be the odd one out.

ECONOMIST: A more realistic Russia