它是一只鸟。

It's a ___bird.

这只鸟儿正在枝头欢快地歌唱。

The ___bird is singing happily on the branch.

她是个有趣的家伙，总能想出最疯狂的点子。

She's quite a ___bird, always coming up with the craziest ideas.

他生气地朝对方竖了中指。

He angrily gave the driver the ___bird after being cut off.