Aunt harriet presided over an invisible army of servants that continuously scrubbed, cleaned, and polished . 哈丽特姑母统率着一个无形的仆役军，他们一刻不停地刷呀，洗呀，擦呀。
He seemed to be in no danger whatever, and that made him jumpy because he imagined invisible threats . 无论什么样的情况，他似乎都没有碰到危险，但想到无形的威胁就使他心惊肉跳。
He seemed to be in no danger whatsoever, and that made him jumpy because he imagined invisible threats . 无论什么样的情况，他似乎都没有碰到过危险，但想到无形的威胁就使他心惊肉跳。
Still working against that invisible resistance in the air, he jerkily pivoted and began to strut toward his car . 天空里无形的阻力还在对他起作用，他很不顺当地转过身子大模大样地向自己的车子走去。
The wind roared with its long, monotonous voice, and the branches of a tree beating against a window in the passage gave a ghastly tap-tap, as if unseen spirits were near . 狂风发出长而单调的啸声，一棵树的枝干打在过道的一扇窗户上，发出可怖的“啪嗒”声，好像无形的精灵就在附近。
The body is material but the soul is immaterial 躯体是有形的，而灵魂是无形的。
A secret army who can kill people in the invisible 可以杀人于无形的秘密部队。
The body is material but the soul is immaterial 身体是有形的,心灵则是无形的。
Norman , donald a . the invisible computer 唐纳德诺曼所著， 《无形的计算机》 。
. . . and felt an invisible presence on top of her . . 感到无形的物体压在她身上…
