Now, as to vegetable, give me a sack of potato.

至于蔬菜么，就给我一袋土豆吧。

youdao

Funny to think of me who has led cavalry charges and won RACES having a potato-sack like you in the saddle!

我当年在骑兵队冲锋时—马当先，在赛马时获得胜利，如今却在背上驮了个像袋土豆似的你，想想也觉得好笑！

youdao

They did pushups, twirled hula hoops, and competed at dodge ball and tug-of-war before the first lady triumphed over the comedian in a climactic potato sack race.

NPR: First Lady Jokes About Hosting 'Tonight Show'