1、He is such a spineless person that he always gives in to others' demands without standing up for himself.

他是一个非常软弱无力的人，总是听命于他人要求，不为自己辩护。

2、The manager's spineless approach to dealing with difficult employees only encourages their bad behavior.

经理对待棘手员工的软弱做法只会鼓励他们的不良行为。