e元素789
lack既可以做动词，也可以做形容词 lack the sense of security和be lack of the sense of security 都对，而lacking则是一个形容词，固定搭配是be lacking in, 所以应该说be lacking in the sense of security,希望可以帮到你。
virgoleegoon
不安全 [词典] unsafe; insecurity; incertitude; [例句]她被自我怀疑和情感上的不安全感所困扰。She is assailed by self-doubt and emotional insecurity.
大大的好友
一、网络释义
Insecure ： adj 没有自信，缺乏安全感，不可靠的，不安全的
比较级 insecurer
最高级 insecurely
名词 insecureness
副词 insecurely
二、短语
Hate the feeling of insecurity | Hate insecure
2.经济上缺乏安全感
financially insecure
3.我常常会缺乏安全感
But every now and then I feel so insecure
4.缺乏工作的安全感
be lack of a sense of job security
三、例句
我不需要大肆宣扬我害怕或者缺乏安全感。
I have no need to advertise my fears or my insecurities.
问题在于这样的控制让我们都缺乏安全感。
The problem is that such control makes us all less safe.
如果你觉得没有教科书就缺乏安全感的话，那你真的需要一个了，其实我应该重新使用这个词儿，至少是建议，你能在课程网站上找到。
If you feel exposed without a text book, you really have to have a textbook, John actually I'm going to reuse that word, John, at least suggest it, on the course website.
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