瘫软的英文：
limp
weak

参考例句：

His eyes bored into her, paralysing her, robbing her of movement.
他双眼凝视着她，令她全身瘫软，不能动弹。

The loser sat slumped in dejection.
失败者垂头丧气地坐着,全身瘫软。

He would stagger back to his desk and collapse there, useless for the rest of the morning.
他会步履蹒跚地走回讲台，然后瘫软在那里，一个上午都缓不过劲来。

limp是什么意思：
v. 跛行；缓慢费力地前进
adj. 柔软的；软弱的；无力的
n. 跛行

A limp handshake.
无力的握手。

Limp-bound: Referring to a book with a limp covers.
软皮装本:用柔软材料作书皮的书籍。

If you live with a lame person, you will learn to limp.
远朱者赤，近墨者黑。

He hurt his foot and limped to the door of the classroom.

He had to limp off with a leg injury.
他腿上有伤，离开时只能一瘸一拐地走。

weak是什么意思：
adj. 疲软的；虚弱的；软弱的；愚钝的；不牢固的；淡薄的

a weak radio signal; a weak link.
微弱的无线电信号；薄弱的连接。

He has weak eyes.
她的视力不佳。

The spirit is willing But the flesh is weak
力不从心。

Alternate weakness with severity
恩威并济

There is an inherent weakness in the design.
这设计本身存在弱点。