He is rich but not happy.（他很富有但不快乐。）

She studied hard but still didn't pass the exam.（她学习很努力，但还是没有通过考试。）

The weather was cold but sunny.（天气很冷但阳光明媚。）

I like reading books but my sister likes watching TV.（我喜欢读书，但我妹妹喜欢看电视。）

They wanted to go out but it was raining heavily.（他们想出去，但雨下得很大。）

The movie was long but very interesting.（这部电影很长但非常有趣。）

He has a lot of friends but few true ones.（他有很多朋友，但真正的朋友没几个。）

The task was difficult but we managed to finish it.（这项任务很艰巨，但我们设法完成了它。）

She can sing well but she is too shy to perform on stage.（她唱歌很好听，但她太害羞不敢在舞台上表演。）

The food looks delicious but tastes terrible.（这食物看起来美味但尝起来糟糕。）

We planned to have a picnic but the wind was too strong.（我们原计划去野餐，但风太大了。）

He runs fast but he doesn't run regularly.（他跑得很快，但他跑步不规律。）

The dress is beautiful but a bit expensive.（这条裙子很漂亮但有点贵。）

They invited me to the party but I had other plans.（他们邀请我参加派对，但我有其他安排。）

It's a small house but it feels very cozy.（这是一座小房子，但感觉很温馨。）

She speaks English fluently but makes some grammar mistakes.（她英语说得很流利，但会犯一些语法错误。）

The dog looks fierce but it's actually very friendly.（这只狗看起来很凶，但实际上很友好。）

We listened to the lecture but didn't understand much.（我们听了讲座，但没太听懂。）

He tried his best but couldn't win the game.（他尽了最大努力，但还是没能赢得比赛。）

The book is thick but easy to read.（这本书很厚但读起来很轻松。

）