| 困难但有趣  🇨🇳 | 🇬🇧  Difficult but interesting | ⏯ | 
| 困难但有趣  🇨🇳 | 🇬🇧  Difficult but fun | ⏯ | 
| 他很困难,但是很有趣,很有用  🇨🇳 | 🇬🇧  He is difficult, but it is interesting and useful | ⏯ | 
| 难但有趣  🇨🇳 | 🇬🇧  Its hard but fun | ⏯ | 
| 它很难,但是很有趣  🇨🇳 | 🇬🇧  Its hard, but its fun | ⏯ | 
| 科学很难但很有趣  🇨🇳 | 🇬🇧  Science is hard but interesting | ⏯ | 
| 数学难,但很有趣  🇨🇳 | 🇬🇧  Math is difficult, but its interesting | ⏯ | 
| 数学难但很有趣  🇨🇳 | 🇬🇧  Mathematics is difficult but interesting | ⏯ | 
| 那是困难的,但真的有趣  🇨🇳 | 🇬🇧  Its hard, but its really fun | ⏯ | 
| 他难但有趣  🇨🇳 | 🇬🇧  He is difficult but interesting | ⏯ | 
| 数学难,但是很有趣  🇨🇳 | 🇬🇧  Math is difficult, but its interesting | ⏯ | 
| 数学难,但也很有趣  🇨🇳 | 🇬🇧  Mathematics is difficult, but its also very interesting | ⏯ | 
| 科学是很难的,但很有趣  🇨🇳 | 🇬🇧  Science is hard, but its interesting | ⏯ | 
| 很困难  🇨🇳 | 🇬🇧  Its hard | ⏯ | 
| 我认为它很难,但有趣  🇨🇳 | 🇬🇧  I think its hard, but its funny | ⏯ | 
| 难但是有趣的  🇨🇳 | 🇬🇧  Its hard but interesting | ⏯ | 
| 我认为俄语很难但很有趣  🇨🇳 | 🇷🇺  Я думаю, что русский язык трудный, но интересный | ⏯ | 
| 它非常的难,但是很有趣  🇨🇳 | 🇬🇧  Its very difficult, but its fun | ⏯ | 
| 但是,很有趣  🇨🇳 | 🇯🇵  しかし、それは楽しいです | ⏯ | 
| 困难但有趣  🇨🇳 | 🇬🇧  Difficult but interesting | ⏯ | 
| 他难但有趣  🇨🇳 | 🇬🇧  He is difficult but interesting | ⏯ | 
| 数学难但很有趣  🇨🇳 | 🇬🇧  Mathematics is difficult but interesting | ⏯ | 
| 数学难,但是很有趣  🇨🇳 | 🇬🇧  Math is difficult, but its interesting | ⏯ | 
| 数学难,但很有趣  🇨🇳 | 🇬🇧  Math is difficult, but its interesting | ⏯ | 
| Mary喜欢数学。数学虽然难但是有趣  🇨🇳 | 🇬🇧  Mary likes math. Mathematics is difficult but interesting | ⏯ | 
| 数学难,但也很有趣  🇨🇳 | 🇬🇧  Mathematics is difficult, but its also very interesting | ⏯ | 
| 他很困难,但是很有趣,很有用  🇨🇳 | 🇬🇧  He is difficult, but it is interesting and useful | ⏯ | 
| 困难但有趣  🇨🇳 | 🇬🇧  Difficult but fun | ⏯ | 
| 但有趣的话题  🇨🇳 | 🇬🇧  But interesting topic | ⏯ | 
| 我最喜欢的课目是英语,它十分有趣但很困难  🇨🇳 | 🇬🇧  My favorite subject is English, it is very interesting but difficult | ⏯ | 
| A. important B. interesting C. difficult D. necessary  🇨🇳 | 🇬🇧  A. important B. in C. difficult D | ⏯ | 
| 它不难但是  🇨🇳 | 🇬🇧  Its not difficult but | ⏯ | 
| 难但是有趣的  🇨🇳 | 🇬🇧  Its hard but interesting | ⏯ | 
| 但也十分困难  🇨🇳 | 🇬🇧  But its also very difficult | ⏯ | 
| 但那些对话很有意思  🇨🇳 | 🇬🇧  But those conversations are interesting | ⏯ | 
| 科学很难但很有趣  🇨🇳 | 🇬🇧  Science is hard but interesting | ⏯ | 
| 在八点,我上数学课,我认为它很难,但是有趣  🇨🇳 | 🇬🇧  At eight oclock, I have math class, I think it is difficult, but interesting | ⏯ | 
| 我觉得数学虽然难,但是有挑战性  🇨🇳 | 🇬🇧  I find math difficult, but challenging | ⏯ |