playfulness

n.

活泼快乐，戏谑；童心；

1. I do not respect him because he is playful.
   我不尊敬他，因为他贪玩。
2. The little cat gave me a playful bite.
   小猫顽皮地轻轻咬了我一下。
3. She is as playful as a kitten.
   她像小猫一样顽皮。
4. She has a playful mood.
   她有着快活的心情。
5. He gave her a playful punch on the arm.
   他开玩笑地捶了一下她的胳膊。

Playfulness: Its Relationship to Imagination and Creativity
Playfulness, “World”‐Travelling, and Loving Perception
Microcomputer Playfulness: Developing a Measure With Workplace Implications
Microcomputer playfulness: development of a measure with workplace implications
Microcomputer Playfulness: Development of a Measure with Workplace Implications
Integrating perceived playfulness into expectation-confirmation model for web portal context
Computer playfulness and anxiety: positive and negative mediators of the system experience effect on perceived ease of use
Using Social Network Sites: The Effects of Playfulness, Critical Mass and Trust in a Hedonic Context
Antecedents of perceived playfulness: an exploratory study on user acceptance of general information-searching websites
Individual characteristics associated with World Wide Web use: an empirical study of playfulness and motivation