Meaning of duì xiàn:
duì xiàn
兑现
Verb
(of a check etc) to cash; to honor a commitment
Tā qù yínháng duìxiàn le tā de zhīpiào.
他去银行兑现了他的支票。
He went to the bank to cash his check.
Tā yīnggāi duìxiàn tā de chéngnuò.
他应该兑现他的承诺。
He should honor his commitment.