Did You Really Think 確たしかに and 確たしか Are The Same?

Could you explain the difference between “確たしかに” and “確たしか”? A lot of Japanese learners may think the difference between them whether they have “に” or not. However, the meaning of them is different. Let me introduce what the difference between “確たしかに” and “確たしか” and how you correctly use them today!

確たしかに (tashikani)

Exactly / You’re right. / I agree with you.

“確たしかに” is “Exactly, You’re right and I agree with you.” which means “without discrepancy”, “without doubt” and so on. Basically “確たしかに” is used as an answer, unlike “確たしか”. For instance, when someone said something and if you agree with him/her, you would say “確たしかに(Exactly.)”, “確たしかにそうだね(You’re right.)”, “確たしかにそうですね(I agree with you.)”, etc. When using it for your boss, “確たしかにそうですね(I agree with you.)” would better, whereas when using for your friends, “確たしかに(Exactly.)” and “確たしかにそうだね(You’re right.)” are better which are casual than “確たしかにそうですね”.

Example

あの人ひとってケチだよね？ (That guy’s a real cheapo, isn’t he?) (那个人很小气对吧？) (그 사람 짠돌이지?) (Người đó rất keo kiệt nhỉ?)

確たしかに！ (Exactly!) (的确如此！) (확실히!) (Công nhận!)

あの人ひとうざいよね？ (That guy’s a really annoying, isn’t he?) (那个人很烦人对吧？) (그 사람 성가시지?) (Người đó thật phiền phức nhỉ?)

確たしかにそうだね！ (I agree with you.) (确实是！) (그러게말이야!) (Đúng là vậy nhỉ!)

言いわれてみれば確たしかにそうだね！ (Come to think of it, maybe you are right.) (被你这么一说，确实如此欸！) (듣고 보니 맞는 말이야!) (Nghe cậu nói thế tớ thấy cũng đúng thật!)

確たしかにそれは前まえに聞きいたねー。 (Maybe you are right, I heard that before.) (确实，这我以前听过。) (확실히 그건 전에 들었었어.) (Đúng là chuyện đó tớ đã từng nghe trước đây rồi.)

確たしか (tashika)

I think

“確たしか” means “I think” which has been used for people who think something not that clear. You would also say “確たしか” as “I guess” depending on the situations. The basic way to use “確たしか” is that native speakers use “確たしか___だっと思おもう”, “確たしか___のはず”, “確たしか___(だった/の)気きがする” like these which are the absolutely same meaning. When using “確たしかに”, something is clear and when using “確たしか”, something is not that clear. That’s the difference between them.

Example

確たしかたつやは来週末らいしゅうまつにオーストラリアに行いくって言いっていたはず・・・ (I think Tatsuya said he’s gonna go to Australia next weekend.) (达也确实是说过下周末要去澳大利亚……) (확실히 타츠야는 다음 주 주말에 호주에 간다고 했을 텐데…) (Chắc chắn là Tatsuya đã nói là tuần sau sẽ đi Úc mà …)

確たしかワイルド・スピードの新作しんさくが公開こうかいされてたよね？ (I think that the newest Wild Speed movie has already been released.) (速度与激情的新作品确实上映了吧？) (확실히 와일드 스피드의 신작이 공개되었지?) (Đúng là tác phẩm mới Wild Speed đã được công chiếu rồi nhỉ?)

彼女かのじょの写真しゃしんある？ (Do you have any pictures of your girlfriend?) (有女友的照片吗？) (여자 친구 사진 있어?) (Cậu có hình bạn gái không?)

確たしかスマホのなかにあったはず・・・ (I think I have one in my cell phone…) (智能手机里应该有……) (확실히 스마트폰에 있었을 텐데…) (Tớ chắc là có trong điện thoại thôi …)

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確たしか玄関げんかんの鍵かぎをかけた気きがするけど・・・ (I　guess I locked the front door.) (我记得应该已经锁上了门……) (확실히 현관문 잠근 것 같은데…) (Tớ nhớ chắc là mình đã khoá cửa ra vào rồi mà …)