Yuk Yau But Yuk Keung Move in a yielding manner rather than in an antogonistic manner; A requirment for internal martial arts. Traditional Writing: 欲柔不欲強 http://wingchunlexicon.com/wp-content/uploads/2016/12/JUK6-JIU3-BAT1-JUK6-KOENG4-_mdash-Wing-Chun-Elements_-Glossary.mp3