形容词

1. 无助的;无力量的;无能力的;不由自主的
If you are helpless, you do not have the strength or power to do anything useful or to control or protect yourself.

1. unable to manage independently

e.g. as helpless as a baby

2. unable to function
without help

Synonym: lost

3. lacking in or deprived of strength or power

e.g. lying ill and helpless
helpless with laughter

Synonym: incapacitated