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"He is challenging but interesting" 是一种常用的表达方式。其中 "challenging" 意为 "困难的"， "interesting" 意为 "有趣的"。这两个词结合在一起可以表示一件事情或一个人 "困难但又有趣"。例如：
"The puzzle was challenging but interesting." (这个难题困难但有趣。)
"The class was challenging but interesting." (这堂课困难但有趣。)
"He is a challenging but interesting person to talk to." (和他交谈是困难但有趣的。) "He is challenging but interesting" 是一种常用的表达方式。其中 "challenging" 意为 "困难的"， "interesting" 意为 "有趣的"。这两个词结合在一起可以表示一件事情或一个人 "困难但又有趣"。
例如：
"The puzzle was challenging but interesting." (这个难题困难但有趣。)
"The class was challenging but interesting." (这堂课困难但有趣。)
"He is a challenging but interesting person to talk to." (和他交谈是困难但有趣的。)
来源：作文地带整理
