副詞 in conclusion:

1. the item at the end
   同義詞：last, lastly, finally

1. In conclusion I'd like to saythat ...
   最後，我想說 ...
2. In conclusion, we should like to thank all those who have worked so hard to bring about this result.
   最后，我們要對為取得這項成果而辛勤工作的所有的人表示感謝。
3. In conclusion, I'd like to say how much I've enjoyed staying here.
   最后我想要說我在這里過得有多愉快。
4. The lecturer said in conclusion that he had treated the subject only imperfectly.
   演講者最后說，他只是簡略地談了談這個題目，很不全面。