He was condemned by his own words, and had nothing to say.

他词穷理屈,一句话也说不出来.

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How beautiful are the flowers on the grassland ? It defies all description by human letters.

草原上的花究竟有多美,人类只能词穷.

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When the time to start writing, I found myself word loss, thought blocking, or a blank.

当要开始写作的时候, 就发现自己词穷, 思路闭塞或一片空白.

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