He had a clownish sense of humour.

他有一种非常滑稽的幽默感。

...their clownish stupidity.

他们滑稽愚蠢的行为

The antics of wildebeests are often clownish and entertaining.

姿态古怪的牛羚常常叫人忍俊不禁.

期刊摘选

He had a clownish sense of humour.

他有一种非?；挠哪小?/p>

柯林斯例句