play·ful·ness
noun/ˈpleɪflnəs/
/ˈpleɪflnəs/
[uncountable]- the quality of being full of fun and wanting to play
娱乐性：充满乐趣和想玩的品质 - childlike playfulness
童趣
- childlike playfulness
- the fact of a remark or an action being made or done in fun and not intended to be serious
嬉戏：指在娱乐中做出或进行的言论或行为，但并非要认真 - There was a sense of playfulness in her voice.
她的声音里带着一丝戏谑的感觉。
- There was a sense of playfulness in her voice.