boyishly
/ˈbɔɪɪʃli/
📚
36435
in a manner that is of or like a boy in looks, behaviour, or character, esp when regarded as attractive or endearing.
adverb [方式副词] 稚气地;少年地
John grinned boyishly. 约翰孩子气地咧嘴一笑。