kě​cāo​zuǒ​quàn

to be sure of success

可操左券 kě​cāo​zuǒ​quàn
to be sure of success
To be very likely to succeed; to have success within one's grasp. This idiom refers to ancient contracts written on bamboo slips that were split into two halves; the creditor held the left half, or 左券 zuǒ​quàn, as proof of the debt.

Cross-References

Synonym