Chinese

		to draw a bow and arrow	to not have; to not be	to turn around	arrow
trad. (開弓沒有回頭箭)		開弓	沒有	回頭	箭
simp. (开弓没有回头箭)		开弓	没有	回头	箭

Proverb

開弓沒有回頭箭

1. There's no turning back after you make an important decision.

References

• Feng, Yu; Zhijie Jia, Jie Cai, Yaohua Shi, Judith M. Amory (2005) Pop Chinese: A Cheng & Tsui Handbook Of Contemporary Colloquial Expressions (Cheng & Tsui Asian Dictionary Series) (话是这么说：中国当代流行语手册) (in English/Chinese), Boston: Cheng & Tsui, ISBN 0-88727-424-2