boyish

1. ADJ If you describe a man as boyish, you mean that he is like a boy in his appearance or behaviour, and you find this characteristic quite attractive. 男孩子气的[表赞许]

She was relieved to see his face light up with a boyish grin. 看到他脸上显出孩子气的笑容，她松了一口气。

2. boyishlyADV 男孩子气地

John grinned boyishly. 约翰孩子气地咧嘴一笑。