但是dànshì〈连词conj.〉用在后半句话里表示转折,往往与‘虽然、尽管’等呼应{but [used to introduce the next part of a sentence and indicate unexpectedness or exception]}: 他想睡一会ㄦ,～睡不着{He wanted to have a nap, but could not sleep.}|他虽然已经七十多了,～精力仍然很健旺。{Although he is already in his 70s, he is still full of energy.}