The dolphin is an intelligent animal.

　　海豚是聰明的動物。

　　He's an intelligent player but lacks the muscle of older competitors.

　　他是個聰明的選手，但卻缺乏老對手的體力。

　　She was not only intelligent but also very musical.

　　她不僅聰明，而且極具音樂天分。

　　She is highly intelligent but her work lacks organization.

　　她聰慧絕頂，工作卻缺乏條理。

　　She's even more intelligent than her sister.

　　她甚至比她姐姐還聰明。