1. They were overjoyed to see us.
    老乡们见到我们非常高兴。

2. They were pleased — even overjoyed — to spend a few hours talking to strangers from Europe.
    他们很高兴——甚至是大喜——能够与来自欧洲的陌生人谈上几个小时。

3. He was overjoyed at his elevation to that honorable post.
    他因晋升荣衔而欣喜万分。

4. Midas was overjoyed when he heard this.
    迈达斯听到这话，高兴极了。

5. I was overjoyed with( at) this good news.
    我听到这个喜讯非常高兴。