確か に あの 店 は 閉まって いる。tashika ni ano mise wa shimatte iru.
That shop is certainly closed.
Part of speech
Breakdown of tashika ni ano mise wa shimatte iru.
to exist; to stay; to have (used for living beings)
that ... (over there) adnominal
確か にtashika ni
surely; certainly; indeed
Where きっと expresses a strong belief or confidence that something will happen or is the case, 確か に often additionally implies that the speaker has evidence or reasoning to support the certainty, or has personally verified the fact.
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