cannot...too...是固定搭配,表示无论怎样也不过分
来看词典释义：
cannot…too
impossible for a certain state or action to be more than what should be or to be beyond what is desirable无论怎样也不过分
*You cannot be too careful．你越小心越好.（你无论怎么小心也不为过分.）
*A man cannot have too many friends．朋友越多越好.
*The bad habit cannot be got rid of too soon．这个坏习惯改得越早越好.
Safety in production is essential and important so everyone can't take safety measures too seriously.
（安全生产非常重要,因此对于每个人来说,不论多重视安全措施都不为过.）