sure

• 形容词，用于表达对某事确信无疑或确有把握，也表示某事确定、可靠、必然发生。

An adjective used to express certainty or confidence about something.

1. Confident or certainA1formal

   Having no doubt about something; confident in one's knowledge or belief.

   确信的

   • I am sure that I locked the door.
   • She is sure of her decision to move abroad.
   • Are you sure you want to quit your job?

   同义词assuredcertainclearconfidentconvinceddoubtlesspositiveunshakableunwavering

   反义词doubtfulirresoluteuncertainunsure

2. Reliable or trustworthyB1formal

   Dependable and not likely to fail or disappoint.

   可靠的

   • He is a sure friend who always helps in need.
   • This is a sure method for removing stains.
   • The surest way to succeed is to work hard.

   同义词dependableinfalliblereliablesafesolidsteadytrustworthy

   反义词doubtfulundependableunreliableunsureuntrustworthy

3. Inevitable or guaranteedB1formal

   Certain to happen or be the case.

   必然的

   • Death is a sure thing in life.
   • The team is sure to win the championship this year.
   • It is sure to rain later this evening.

   同义词assuredboundcertaindestinedfatedinescapableinevitableunavoidable

   反义词doubtfulimprobableuncertainunlikely

• 副词，表示“当然”或“毫无疑问”，常用作肯定回答或强调同意。在美式英语中还非正式地表示“是的”或“当然可以”。

An adverb meaning 'certainly' or 'without doubt,' often used as an affirmative response or to emphasize agreement. In American English, it is also used informally to mean 'yes' or 'of course.'

1. Certainly or definitelyA1informalamerican

   Used to express strong agreement or certainty.

   当然

   • Sure, I'll help you with that.
   • Are you coming to the party? Sure!
   • Sure, that sounds like a great idea.

   同义词absolutelycertainlydefinitelyindeedof coursesurelyunquestionably

2. Without doubtA2informal

   Used to emphasize that something is true or certain.

   无疑

   • He sure knows how to cook.
   • That was sure a long meeting.
   • She sure can sing beautifully.

   同义词assuredlycertainlydefinitelyindeedsurelyundoubtedlyunquestionablywithout doubt

   反义词doubtfullyhesitantlyuncertainly