"嬉笑着的男孩"可以用英文表示为"a laughing boy."

这个表达方式来自英语中的一个固定搭配,即"a + adj. + noun"的形式。在这种形式中,"a"是冠词,"adj."是形容词,"noun"是名词。

例句:

The boy was laughing as he chased after the butterfly. (这个男孩嬉笑着追蝴蝶。)
A laughing boy ran through the park, his face full of joy. (一个嬉笑着的男孩在公园里奔跑,他的脸上满是喜悦。)

希望这对你有帮助。