I want to express my true feelings.
我想表达我的真实感受。
They want to express thanks to some filmmakers.
他们想向一些制片人表示感谢。
I want to express my thanks to you for coming again!
我想对您再次光临表示感谢！
I want to express my admiration for you because you never give up in the face of difficulties.
我想要向你表达我对你的钦佩之情，因为你在困难面前从不放弃。