1. 很少有老師能使學生對那些需要刻苦努力才能學好的枯燥學科感興趣。
   Few teachers are able to interest their students in dull subjects that mean a lot of hard work.
2. 感謝您使我們把枯燥的學習變成了巨大的樂趣。
   Thank you for making learning not a dull thing but a great joy.
3. 盡管（她講的）內容有些枯燥，但由於她善於表達，大家仍聽得津津有味。
   Although the subject-matter (of her talk) was rather dull her witty delivery kept the audience interested.

枯的英語翻譯：

燥的英語翻譯：