The principal daily concern of all humans... 所有人类日常首要关心的
perhaps you could express a little more concern 而且 你应该稍微关心一下
You don't need to concern yourself with it. 这事不用你来操心
- What's our immediate concern? - Infection. -我们首先要注意什么 -感染
So the lion does concern himself with the opinions of... 这么说狮子还是会在意绵羊的想法 ...
The lion doesn't concern himself with the opinions of a sheep. 狮子才不会在意绵羊的想法
there's no immediate cause for concern. 并没有直接危及到生命