His eyes glittered with a tense amusement.

　　他眼里流露出一絲緊張和愉悅。

　　His expression changed from surprise to one of amusement.

　　他的神情由驚變喜。

　　The amusement park is open May through October.

　　游樂園從五月到十月每天都開放。

　　The amusement park is open daily from May to October inclusive.

　　游樂園從五月到十月每天都開放。

　　She could not hide her amusement at the way he was dancing.

　　她見他跳舞的姿勢(shì)，忍俊不禁。