Wallet threat is the reluctant act of pulling ones wallet out as a sign of willingness to pay for a meal that was assumed to be a treat. Normally, this threat would be immediately cleared when the people who offered the treat in the first place paid for the bill.
Wallet threat(钱包威胁)指被其他人请吃饭时,不情不愿地掏钱包做出付账姿态的行为。一般情况下,请客的一方结账将来,这个钱包威胁就立即解除去。