Translation guide
The English word "sure" is used in many ways: to express certainty, to agree or give permission, to emphasize a point, and in fixed phrases. This guide helps learners choose natural Japanese expressions for each use.
To say that you are certain about something, or that something is definitely true.
Used to express that you are fairly sure about something, often based on memory or belief. Commonly used as an adverb or in the phrase 確かに.
I'm pretty sure he said he would come.
Expresses absolute certainty, like "definitely" or "absolutely." Stronger than 確か.
Literally "there is no mistake," used to express strong certainty. Often used as 間違いなく.
To say "yes" or "okay" in response to a request or suggestion.
Casual way to say "sure" or "okay." Used among friends or in informal situations.
To stress that something is true or will happen, like "for sure" or "certainly."
Means "without fail" or "for sure." Used to emphasize that something will definitely happen.
To check or verify something, as in "make sure."
Standard verb meaning "to confirm" or "to make sure."
To say you are not certain about something.
Common way to say "I'm not sure" or "I don't really know."
English 'sure' as in 'I am sure' does not directly translate to a single Japanese adjective. Use phrases like 確かだ or 自信がある instead of trying to use シュア.
I am sure he will come.
確か indicates reasonable certainty based on evidence or memory. 絶対 expresses absolute, unwavering certainty. Use 絶対 sparingly as it can sound overly emphatic.
That's certainly true.
絶対に大丈夫です。
I'm absolutely sure it's okay.
I'm sure he's the culprit.
"Can you help me?" "Sure."
Means "of course" or "sure," expressing willingness or natural agreement.
"Want some coffee?" "Sure."
Polite way to say "I don't mind" or "sure." Suitable for formal situations.
"May I sit here?" "Sure, I don't mind."
Polite version of いいよ. Adds です for politeness.
"Is tomorrow okay?" "Sure."
Be sure to reply.
Expresses strong belief or expectation, like "I'm sure" or "surely."
I'm sure you'll succeed.
Please make sure of the departure time.
Means "just to be sure" or "just in case." Used when taking extra precaution.
I'll send the email again just to be sure.
I'm not sure if that's true.
Literally "I have no confidence," used to express lack of certainty.
I'm not sure about that answer.
Make sure to lock the door.