passiveness 

英汉解释

n. 被动；顺从

同义词

n. passivity

参考例句

1. Resist passiveness with self-confidence.
以自信抗拒消极。
2. Being one of the courses, even comprehensive teaching courses are still being challenged for its narrowness/limitation and passiveness.
但同样作为一门课程，即使通识教育也保留着某种难于克服的狭隘性和被动性。
3. I know that if you want to achieve something in life, you have to advance bravely. Nothing venture nothing have. I don't believe passiveness will bring in anything.
我知道如果人生要有成就，就得勇往直前。不入虎穴，焉得虎子？我不相信被动会有收获。

英英解释

n.
  1. submission to others or to outside influences
  2. the trait of remaining inactive; a lack of initiative

网络释义

passiveness
被动性; 被动;
Passiveness voice
被动语态;
passiveness passivity
被动;