also 確
- na-adjective sure; certain; positive; definite
- reliable; trustworthy; safe; sound; firm; accurate; correct; exact
- adverb If I'm not mistaken; If I remember correctly; If I remember rightly
たしか
sure
also 確
確かなことが一つある。 There is one thing that is certain. #184586
確かですか? Are you certain? #8689074
それは確かかい。 Can I take your word for it? #205294
それは確かです。 I'm sure of it. #1484700
彼の情報は確かだ。 His information is certain. #116895
彼が来るのは確かだ。 It is certain that he will come. #119350