在英语作文中使用转折型句子可以表现出与前文相反或不同的意思。通过转折型句子，我们可以更加鲜明地突出某些内容，使文章逻辑更清晰，表达更生动。
例子 1：
I wanted to go to the park, but it started raining heavily.
我本想去公园，但却下起了大雨。
例子 2：
She studied hard for the exam; however, she didn’t perform as well as she expected.
她为考试努力学习了，但成绩却没有她预期的好。
例子 3：
We planned a picnic by the lake; unfortunately, the weather ruined our plans.
我们计划去湖边野餐，但不幸的是天气破坏了我们的计划。
例子 4：
He is very talented in sports, yet he rarely participates in competitions.
他在运动方面很有天赋，但他却很少参加比赛。
例子 5：
I thought the task would be simple, but it turned out to be more challenging than expected.
我以为这项任务会很简单，但结果比预期的更有挑战性。
例子 6：
They promised to arrive early; instead, they showed up an hour late.
他们答应会早到，但却迟到了一个小时。
例子 7：
The food looked delicious; nevertheless, it tasted rather bland.
食物看起来很美味，但尝起来却相当平淡。
例子 8：
I was confident about the match; however, my opponent was much stronger than I expected.
我对比赛很有信心，但对手比我预想的要强得多。
例子 9：
She appeared calm on the surface, but deep down, she was very nervous.
她表面上看起来很冷静，但内心却非常紧张。
例子 10：
He loves fast food; on the other hand, he is trying to maintain a healthy diet.
他喜欢吃快餐，但另一方面，他又想保持健康饮食。
