| 我最爱的科目是数学，我觉得数学虽然难，但是有挑战性 🇨🇳 | 🇬🇧 My favorite subject is math, Which I find difficult, but challenging | ⏯ |
| Mary喜欢数学。数学虽然难但是有趣 🇨🇳 | 🇬🇧 Mary likes math. Mathematics is difficult but interesting | ⏯ |
| 挑战性的 🇨🇳 | 🇬🇧 Challenging | ⏯ |
| 挑战困难 🇨🇳 | 🇬🇧 Difficulty challenging | ⏯ |
| 数学难，但是很有趣 🇨🇳 | 🇬🇧 Math is difficult, but its interesting | ⏯ |
| 虽然……但是… 🇨🇳 | 🇬🇧 Although...... But..... | ⏯ |
| 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 | ⏯ |
| 虽然我觉得很累，但很开心 🇨🇳 | 🇬🇧 Although I feel very tired, but very happy | ⏯ |
| 数学很难，但很有用 🇨🇳 | 🇬🇧 Mathematics is difficult, but it is very useful | ⏯ |
| 数学难，但也很有趣 🇨🇳 | 🇬🇧 Mathematics is difficult, but its also very interesting | ⏯ |
| 虽然我觉得很累，但玩的很开心 🇨🇳 | 🇬🇧 Although I feel very tired, but very happy to play | ⏯ |
| 数学非常有趣但有点难 🇨🇳 | 🇬🇧 Math is very interesting but a little hard | ⏯ |
| 我觉得英语很难，但有用 🇨🇳 | 🇬🇧 I find English difficult, but useful | ⏯ |
| 数学有点难 🇨🇳 | 🇬🇧 Math is a little difficult | ⏯ |
| 虽然法语很难，但我相信我能学好它 🇨🇳 | 🇫🇷 Bien que Français soit difficile, je crois que je peux bien lapprendre | ⏯ |
| 挑战 🇨🇳 | 🇬🇧 Challenge | ⏯ |
| 挑战 🇨🇳 | 🇯🇵 」と挑戦 | ⏯ |
| 挑战 🇨🇳 | 🇰🇷 도전 | ⏯ |
| 我最爱的科目是数学，我觉得数学虽然难，但是有挑战性 🇨🇳 | 🇬🇧 My favorite subject is math, Which I find difficult, but challenging | ⏯ |
| 我觉得英语很难，但有用 🇨🇳 | 🇬🇧 I find English difficult, but useful | ⏯ |
| 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 | ⏯ |
| 我发现英语很困难 🇨🇳 | 🇬🇧 I find English difficult | ⏯ |
| 我觉得英文好难 🇨🇳 | 🇬🇧 I find English difficult | ⏯ |
| 我发现英语很难 🇨🇳 | 🇬🇧 I find English difficult | ⏯ |
| Mary喜欢数学。数学虽然难但是有趣 🇨🇳 | 🇬🇧 Mary likes math. Mathematics is difficult but interesting | ⏯ |
| 我觉得英语好难呀 🇨🇳 | 🇬🇧 I find English so difficult | ⏯ |
| 我认为数学对我来说是困难的 🇨🇳 | 🇬🇧 I think math is difficult for me | ⏯ |
| 挑战性的 🇨🇳 | 🇬🇧 Challenging | ⏯ |
| 数学有点难 🇨🇳 | 🇬🇧 Math is a little difficult | ⏯ |
| 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 | ⏯ |
| 我不喜欢数学，因为数学很难 🇨🇳 | 🇬🇧 I dont like math because it is difficult | ⏯ |
| 困难但有趣 🇨🇳 | 🇬🇧 Difficult but interesting | ⏯ |
| 困难但很有趣 🇨🇳 | 🇬🇧 Difficult but interesting | ⏯ |
| 困难但有趣 🇨🇳 | 🇬🇧 Difficult but fun | ⏯ |
| 这道数学题真难啊！ 🇨🇳 | 🇬🇧 This math problem is so difficult | ⏯ |
| 我觉得这个问题对我来说很难 🇨🇳 | 🇬🇧 I find this difficult problem for me | ⏯ |