rèn​xìng

willful

任性 rèn​xìng
willful adjective
stubbornly persistent in doing what one wants, regardless of advice or others' feelings

Because of his parents' spoiling, he has been willful since childhood.

unruly adjective
disorderly and difficult to control or discipline, especially regarding behavior

These wayward children make a lot of noise in class, and the teacher finds it hard to discipline them.

Frequency

Movie subtitles
2.74 per million appears in 1% of films
Written text
9.55 per million

Details

HSK 2.0
Level 6

Sources

Definitions
CC-CEDICT