俺也曾经指甲带肉切掉一块，脑门也被砸过，没去过医院

When using a circular saw, the absolute minimum in terms of protective equipment you should always use is a pair of tough work gloves and proper eye protection. ... Gloves won't give you much protection if your hand comes into contact with the spinning blade, but they will protect your hands from splinters.

也是一个很有经验的DIY老手，但还是被伤了好几次。所以不是性别问题。问题是粗心大意。你很快就可以回去做自己喜欢的东西。