Communicate information to someone.
I will tell you the news when you get home.
我會在你回家時告訴你這個消息。
Provide details about a subject.
The brochure tells us about the history of the castle.
這本小冊子告訴我們城堡的歷史。
Express something in words.
She was excited to tell her story.
她很興奮地講述她的故事。
Reveal a secret.
Can you keep a secret if I tell you one?
如果我告訴你一個秘密,你能保守秘密嗎?
Instruct or command someone to do something.
The teacher told the students to be quiet.
老師告訴學生們要安靜。
Determine or identify something correctly.
You can tell the difference between the two by the color.
你可以通过顏色區分兩者之間的差異。
Recognize the distinction between two things or people.
It's hard to tell the twins apart.
很難分辨這對雙胞胎。
Cause an effect or impact, especially a negative one.
The long hours are starting to tell on her health.
長時間的工作開始影響她的健康。