Or Motionless或者静止不动
As Motionless正如一动不动
kept motionless静止不动
motionless conflict无为冲突
Motionless mixer静态混合器
stay motionless仍然不动
Quite Motionless非常地平静
motionless air静止空气
ADJ（形容词） Someone or something that is motionless is not moving at all. 静止的
He has this ability of being able to remain as motionless as a statue, for hours on end.
他有能像雕塑一样连续数小时保持静止的能力。