確かに
Kana: たしかに
indeed; certainly
Example sentence
彼は確かに頑張っています。
かれはたしかにがんばっています。
He is indeed working hard.
What 確かに means
確かに (たしかに) is an Japanese word meaning “indeed; certainly”. It appears in the Level 2 collection, under Grammar & Phrases (and also in Level 4).