"自我主张" (self-assertion) 是指一个人坚定地表示自己的意见、信念、价值观或利益，并为自己的想法和决定负责。这个词来自拉丁语 "assertio"，意思是 "声明、断言"。

下面是一些例句：

She has a strong sense of self-assertion and always stands up for what she bepeves in. 她有强烈的自我主张意识，总是捍卫自己的信念。
His self-assertion made it difficult for him to work in a team. 他的自我主张使他很难在团队中工作。
It's important to find a balance between self-assertion and respect for others. 找到自我主张与尊重他人之间的平衡是很重要的。