他的欺诈行为给整个公司蒙羞。

His fraud ___dishonored the entire company.

他因为未能按时付款而失信于供应商。

He ___dishonoured the agreement by failing to pay the supplier on time.

由于账户余额不足，银行拒绝承兑这张支票。

The bank ___dishonoured the cheque because the account had no money.