yī​yì​gū​xíng

willful

一意孤行 yī​yì​gū​xíng
willful idiom
obstinately clinging to one's course or acting independently without regard for others' advice; dogmatic

He insisted on going his own way, despite everyone's opposition.

Frequency

Movie subtitles
1.10 per million appears in 1% of films
Written text
1.21 per million

Sources

Definitions
CC-CEDICT