他在派对上总是和陌生人调情，但从不认真。

He always ___flirts with strangers at parties, but never means it.

她偶尔会考虑辞职，但从没认真执行过。

She ___flirts with the idea of quitting her job but never takes it seriously.

她一边说话一边用手指玩弄着头发，显得很调皮。

She ___flirts with her hair while talking, looking very playful.