我认为它难但有趣用英文怎么说
时间：
"I find it challenging but interesting" 是一种常用的表达方式。
"challenging" 意为"困难的"，来源于 Middle Engpsh (in the sense ‘offering a challenge, laying down a challenge’)，这个词是由"challenge"派生而来的。
"interesting" 意为"有趣的"，来源于late Middle Engpsh (in the sense ‘engaging the attention, exciting interest’)。
例句：
"I find this math problem challenging but interesting"
"I find this book challenging but interesting to read"
对应的中文翻译是：
"我认为这道数学题难但有趣"
"我认为这本书难但值得一读"
"challenging" 意为"困难的"，来源于 Middle Engpsh (in the sense ‘offering a challenge, laying down a challenge’)，这个词是由"challenge"派生而来的。
"interesting" 意为"有趣的"，来源于late Middle Engpsh (in the sense ‘engaging the attention, exciting interest’)。
例句：
"I find this math problem challenging but interesting"
"I find this book challenging but interesting to read"
对应的中文翻译是：
"我认为这道数学题难但有趣"
"我认为这本书难但值得一读"