[xiān]
[名]
（时间或次序在前的） earlier; before; first; in advance
make clear beforehand
有言在先
strive to be the first and fear to lag behind
争先恐后
You don't have to pay in advance.
你不必先付款。
Make an outline before you start writing.
你先拟个提纲再写。
He arrived earlier than I did.; He arrived there before me.
他比我先到。
He is far in advance of his class.
他在班上遥遥领先。
Don't go yet, comrades.
同志们先别走。
Let me say a few words first.
我先说几句。
Be a pupil before you become a teacher.
先做学生，再做先生。
（祖先； 上代） elder generation; ancestor
ancestor: forefather
祖先
（尊称死去的人） deceased; late
my late father
先父
[口] （先前） earlier on; before
Why didn't you tell me before?
你先怎么不告诉我?
（姓氏） a surname
Xian Zhen
先轸