This opportunity is right there for the taking — don't miss it.
Tips
history
Traces to a commentary in 《后汉书·公孙瓒传》 citing 《九州春秋》: 始天下兵起，我谓唾掌而决 — 'when the empire first rose in arms, I thought victory could be decided by spitting in one's palm.'
memory
Picture the speaker spitting on his hand to get a good grip — victory is so close you barely need to lift a finger.
