Most mothers are insecure about their performance as mothers.大多数母亲对自己为人母的表现没有信心。

In effect, she is punishing her parents for making her feel threatened and insecure.其实她是在惩罚父母, 因为他们让她感觉受到威胁、没有安全感。

low-paid, insecure jobs工资低、缺乏保障的工作

Cellular phones are inherently insecure, as anyone can listen to and record conversations.移动电话本来就不安全, 因为每个人都可以听到并录下谈话内容。