Liz meant it as a joke but it fell flat.

莉兹的本意是把它当作笑话来讲的，但没成功。

《柯林斯英汉双解大词典》

He then keeled over and fell flat on his back.

然后他就倒下了，仰面朝天。

《柯林斯英汉双解大词典》

A man walked in off the street and fell flat on his face, unconscious.

一个男人从街上走进来，脸朝下摔倒在地上，昏了过去。

《柯林斯英汉双解大词典》

The argument that her target audience consists of sophisticated gourmets at farmers' markets fell flat, too.

ECONOMIST: The authorities save Californians from a phantom menace

While the request yielded a pantry-full of nifty additions, one popular suggestion fell flat.

CNN: 'Cake Mix Doctor' bakes up a bestseller

After trying my new jokes at my next gig, I was disappointed when they fell flat.

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