并非所有这些债务都将受主权违约的影响，更不用说是被消灭。

Not all of these debts would be affected by a sovereign default, let alone be wiped out.

youdao

消灭已有的债务。

Attack existing debt.

youdao

自债务人的行为发生之日起五年内没有行使撤销权的，该撤销权消灭。

Such cancellation right is extinguished if not exercised within five years, commencing on the date of occurrence of the obligor's act.

youdao