She has a beautifully slim figure.

她的体形十分苗条。

《牛津词典》

She retains her slim figure and is free of wrinkles.

她保持着苗条的身材，而且没有皱纹。

《柯林斯英汉双解大词典》

I'm trying to keep a slim figure, you know?

你知道吗？我一直努力保持苗条的身材。

youdao

Barbie's abnormally, and anatomically-challenging, slim figure may diminish some appetites.

CNN: January 31, 2013 -- Updated 1138 GMT (1938 HKT)

Magic Slim, the American blues guitarist and leading figure in the Chicago blues scene, has died aged 75.

BBC: Magic Slim, American blues musician, dies aged 75

Excluding the one-off charge the company managed a slim 30 cent a share profit for the latest quarter, a figure albeit lower than expected by Wall Street analysts.

BBC: Telecoms write-off hits Tyco profits