三七开 Traditional 三七開 sān qī kāi 🔊 ratio seventy to thirty + Review this word Meanings sān qī kāi 三七開 ratio seventy to thirtythirty percent failure, seventy percent success Its characters 三sānthreeHSK 1七qīsevenHSK 1开kāito open; to turn on; to driveHSK 1