I can sing, but I can't dance.

我会唱歌，但我不会跳舞。

I want to, but I can't.

我想去，但我不能去。

I can run fast, but I can't swim.

我跑得快，但我不会游泳。

But I can't afford it.

但我负担不起。

I can play ping-pong, but I can't swim.

我会打乒乓球，但我不会游泳。

I like summer, but I can't swim.

我喜欢夏天，但我不会游泳。

But I can't sing or dance.

但我不会唱歌或跳舞。

I'd love to come, but I'm afraid I can't.

我很想来，但恐怕不能。

Yes, Ouch! But I can't walk.

能，哎哟！但我不能走路。

But I can't stand on the ice.

但我不能站在冰上。