白(bái)
Origin：
这个字原来是烛火的形状，中心是烛芯或灯芯，有了烛光就可以照亮，因此它最初的意思是“明亮”“清楚”，后来常用来指“白色”。
The original shape of this character is a candle with a wick in center. Its original meaning was bright and clear, and now is often used to refer to the color white.
Meaning：
white; clear; pure; free of charge;
Words：
白色(báisè): the color white
白净(báijìng): (of skin) fair and clear
明白(míngbai): to understand
白费(báifèi): to waste
坦白(tănbái): frank
Sentences：
1、Rén lǎo le zhīhòu， tóufà jiù huì biàn bái.
人老了之后，头发就会变白.
人老了之后，头发就会变白.
When people get old, their hair turns white.
2、Zhè ge wèntí wǒ hái méiyǒu nòng míngbai.
这个问题我还没有弄明白。
这个问题我还没有弄明白。
I have not yet figured out this problem.
