defaulting
不付欠款
De·fault, v. i. [imp. & p. p. Defaulted; p. pr. & vb. n. Defaulting.]
1. To fail in duty; to offend.
That he gainst courtesy so foully did default. --Spenser.
2. To fail in fulfilling a contract, agreement, or duty.
3. To fail to appear in court; to let a case go by default.