宴会上有个小丑扮演的滑稽角色，他的愚蠢表演逗得大家哈哈大笑。

At the party, a man dressed as a clown acted like a ___buffoon, making everyone laugh with his silly performance.

他在会议上像个小丑一样打断了所有人的发言。

He acted like a ___buffoon by interrupting everyone's speech at the meeting.