他总是讲笑话逗孩子们开心。

He always tells ___jokes to make the kids laugh.

因为他的奇怪发型，他成了班上的笑柄。

Because of his weird haircut, he became the ___joke of the class.

他们试图修理那台老电视的样子简直是个笑话。

Their attempt to fix the old TV was a complete ___joke.