ngồi lì 
to sit motionless, sit stubbornly, hold a sit-in [ ngồi ] : to sit, be seated
[ lì ] : (1) stubborn, obstinate, unmoved; (2) very smooth
Most Common Compounds Set 1:
Most Common Compounds Set 2 :
ngồi lì to sit motionless, sit stubbornly, hold a sit-in