We had both thought that the Fuzhou dialect was indeed most difficult for anyone to learn.
因为从来在我们姐弟心里,福州话是最难懂难说的!
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It's doubtful if her heart would stand the strain of another major operation.
很难说她的心脏是否能再次承受大手术.
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历久不衰的,持续的有永久的意义或价值的;持久的在目前情况下,很难说这次经济萧条将持续多久。
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