seikōno kagi
1. key success factor; key to success
Expression
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1. key success factor; key to success
1. being able to do as one pleases; doing at will
2. pothook
1. great success; huge success
1. key
2. lock
3. key (to a problem, success, etc.); clue
1. sexual intercourse; sex
1. success; achievement
2. succeeding (in life); (worldly) success
1. inclination; tendency
1. elaborate; delicate
1. steel manufacture