例句：
You should cheer yourself up.
你應該使自己振作起來。
Let's cheer for the winner.
讓我們為獲勝者而歡呼。
They all clap and cheer.
他們都鼓掌和歡呼。
Paddy was always cheerful and jolly.
帕迪總是很高興，很開心。
He made a weak attempt to look cheerful.
他有氣無力地擺出高興的`樣子。
You're not your usual cheerful self today.
你今天不像往常那么快快樂樂的。