SAY[T]›to say something to someone, usually giving them information: He told me about his new school.[+ (that)]Sally told me that the play didn't start until 9 o'clock.[+ question word]Can you tell me what time the next bus leaves?
tell sb to do sth›to order someone to do something: I told you to stay here.
can tell›to know or recognize something from what you hear, see, etc: [+ (that)]You could tell that he was tired.[+ question word]You can never tell whether Hajime's being serious or not.I can't tell the difference between them.
UNDERSTAND FROM[T]›If something tells you something, it gives you information: What does the survey tell us about the lives of teenagers?
(I'll) tell you what›used to suggest a plan: Tell you what, let's go swimming and then get a pizza.
EFFECT[I]›to have a bad effect on someone: The worry of the last few months was starting to tell on him.
(I) told you so!informal›used when someone has caused problems for themselves by doing something that you told them not to → See alsotell sb's fortune