[gù]
[名]
（事故） event; incident; happening; accident
unforeseen event; misfortune
变故
（原因） cause; reason
not know why
不知何故
make an excuse and leave
托故离开
be absent without reason [cause]
无故缺勤
There's no other reason.
非有他故。
（朋友； 友情） friend; acquaintance
neither relative nor friend; a perfect stranger
非亲非故
have ties of kinship or friendship
沾亲带故
[书] （特指祭祀之类的事） service of offering sacrifices
（指旧的、过去的事物） the old
exhaling the old and inhaling the new; get rid of the stale and take in the fresh
吐故纳新
（旧识； 老朋友） old friend
feel like old friends at the first meeting
一见如故
（姓氏） a surname
Gu Qingyuan
故清远
[动]
（死亡） die
pass away
亡故
die of illness
病故
[形]
（原来的；从前的；旧的） former; ancient; old
site (of an ancient monument, etc.)
故址
the old course of the Huanghe River
黄河故道
be still one's same old self
依然故我
（已死的） deceased
one's deceased friend
故友
[副]
（故意； 有意） purposely; intentionally
commit an offense knowingly; wilfully violate (a law or rule)
明知故犯
[连]
（所以； 因此） so; therefore; conseqently; hence; on the countrary
I was held up on the way and so I was late.
途中遇事耽搁，故未能按期到达。
Fearlessness stems from selflessness.; Only the selfless can be fearless.
无私故能无畏。