1. The children dance round him in delight.

孩子们开心地围着他跳舞。

2. His joy was immense.

他开心极了。

3. I hope that everyone will be able to join in the fun.

我希望每个人都能够加入进来，玩得开心。

4. Everybody there was having a terrific time.

在场的每个人都玩得开心极了。

5. I feel like having a ball.

我觉得很开心。

6. To my joy, he left us, after giving this judicious counsel.

他给了这个得体的劝告之后，就离开我们，这使我很开心。

7. Presently the mole came tumbling into the room, evidently very pleased with himself.

忽然，鼹鼠蹦蹦跳跳地进来了，显得很开心。

8. I had a lot of fun tonight , Bob.

我今晚过得很开心，鲍勃。

9. Go on. Come to the party. You' ll enjoy it.

去吧。去参加晚会吧。你会很开心的。

10. I'm glad you are having a good time, but we worry about you.

我很高兴你玩得开心，但我们很担心你。