Hěnduō zì de běnyì zǎoyǐ bú yòng le, zhǐ liúxià le yǐnshēnyì.
Many characters lost their original meanings long ago and kept only their extended ones.
Tips
usage
本义 is the meaning a character was first made for; an 引申义 grows out of it, and a 转义 is a transferred sense. 兵 first meant a weapon, and only later the soldier holding one.
