insecure
[ˌɪnsɪˈkjʊr]
adj.
无安全的;
不稳定的;
不牢靠的;
（地面，冰等）易坍陷的;
例句:
-
They are angry and insecure and clever and great.
来自BBC
-
People feel pinched in their pocketbooks and insecure about their futures.
人们感到荷包拮据，对未来缺乏安全感。
-
Most mothers are insecure about their performance as mothers.
大多数母亲对自己为人母的表现都不是很自信。
-
He's very insecure about his appearance.
他对自己的长相没有信心。
-
In fact, it only made them more insecure.
来自WSJ
-
Kenya is a food insecure country at the moment.
来自VOA