motionless

形容词 motionless:

1. not in physical motion
   同义词：inactive, static, still

1. He stands motionless and silent, looking neither to the right nor to the left.
   他一动也不动地站着，默不作声，既不右盼，也不左顾。
2. He moved no more, unless to feed the furnace, but remained motionless as a statue.
   除了给炉子加煤，他一动也不动，好像雕像似的静止在那里。
3. She stood there (being) motionless.
   她站在那儿，一动也不动。
4. The cat remained motionless, waiting for the mouse to come out of its hole.
   猫一动不动地等着老鼠出洞。

mo.tion.less

adj.（形容词）
Having or making no motion.
不动的：不移动的或静止的

【引伸】
mo.tionlessly
adv.（副词）
mo.tionlessness
n.（名词）