A Frenchman, for instance, might find it hard to laugh at a Russian joke.

They used to love jokes.

He often laughs at his own jokes.

His lecture ended with his witty joke.

I couldn't help laughing at his joke.

I could not help laughing at his jokes.

His joke killed me.

His jokes are always flat.

Everybody could not help laughing at his joke.

His joke killed me.

Some people laugh at his jokes, but others don't.

The girls burst into laughter when they heard his joke.

The girls burst into laughter when they heard his joke.

I couldn't catch on to the joke he told us.

I like the way she laughs at my jokes.

I said it by way of a joke.

The lecturer would end up his speech with a joke.

Your joke bears repeating.

You went too far in your joke.

We were all greatly amused by his jokes.