ReadWriteQuiz
Chinese dictionary
sound reasonable; speak in a rational and convincing way; it stands to reason; it was said with solid judgment
人家言之成理，他无法驳斥。
He didn't see how he could turn down the suggestion which sounded plausible enough.
他解释了一大堆，但言之成理的很少。
He was full of explanations, but precious few of them made sense.
他的四种见解都言之成理。
His four ideas are all some what reasonable.
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