That's more than I can say.

我无可奉告.

口语例句

Your disapproval pains me more than I can say.

你的反对使我苦不堪言.

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I love you more than I can say.

我真不知该如何表达我对你的爱.

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Mr. A was a wonderful person and I will miss him more than I can say.

先生是位了不起的人;我对他惦念之情,非言语可以形容.

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