He kept bouncing up and down like a yo-yo.

他像个悠悠球似的蹦蹦跳跳。

《牛津词典》

It's a yo-yo.

它是一个溜溜球。

youdao

I'd like a yo-yo.

我想要一个溜溜球。

youdao

Cellist Yo-Yo Ma, violinist Itzhak Perlman, pianist Gabriela Montero and clarinetist Anthony McGill will play a work written by composer John Williams for the event.

VOA: special.2009.01.16

Quite a nice earner considering the Blues had long been considered a yo-yo club, bouncing between the Premiership and a lesser division.

FORBES: Magazine Article

Alan Greenspan, who chaired the Fed for nearly 20 years, and his successor, Ben Bernanke, have allowed the dollar to be treated like a yo-yo.

FORBES: Alexander Hamilton Got It Right

"Here's this heavy metaphysical painting with a father figure whose head could be bobbed up and down like a yo-yo, played with, or dropped, " Ms. Fort says.

WSJ: In Wonderland: The Surrealist Adventures of Women Artists