"welched" in Chinese (Simplified)
赖账不履行承诺
Definition
未履行承诺，尤其是在打赌或达成协议后不付应付的钱。
Usage Notes (Chinese (Simplified))
属于非正式且稍显过时的用法，多用于“welch on a bet/promise”等短语。部分地区可能觉得这个词带有冒犯性。主要用于涉及金钱、承诺和打赌的情境。
Examples
I can't believe you welched after promising to cover my shift!
你答应帮我值班却**赖账**了，我简直不敢相信！
He welched on our agreement and didn't pay me back.
他**赖账**了我们的协议，没还钱给我。
She welched on a bet and refused to pay.
她在打赌后**赖账**，拒绝付钱。
Tom welched after borrowing money from his friend.
汤姆借了朋友的钱后**赖账**了。
No one trusts him anymore since he welched on that big poker game.
自从那场大扑克游戏**赖账**后，没人再信任他了。
They said they'd help but totally welched when the time came.
他们说会帮忙，但到时候却彻底**赖账**了。