English adds “ended up” or “accidentally” as extra words. Japanese fuses it onto the te-form: 〜てしまう (did completely / regrettably), casual 〜ちゃう. 食べてしまった / 食べちゃった = “ate it all up,” or “oops, ate it.” Completion or regret, packed right into the verb.
Today's words
学生
student (esp. a university student)
荷物
luggage; baggage
雑誌
magazine; journal
後ろ
back; behind
ケーキ
cake
具合
condition; state
Write today's kanji — tap to replay
学
生
荷
物
雑
誌
後
具
See it in real sentences
遅れてしまってごめんなさい。
Many apologies for being so late!
単位を落としてしまうかもしれません。
I might flunk the course.
何もかも言ってしまおう。
I will let myself loose.
つい眠ってしまった。
I couldn't help falling asleep.
ちょっと疲れてしまって。
I think I'm just tired.
すみません、道に迷ってしまいました。
Excuse me, I'm lost.
Practice
Spaced review — recall from earlier days (tap to flip)
famous
有名
3d ago
wall
壁
3d ago
umbrella
傘
7d ago
to get used to
慣れる
7d ago
on the way
途中
16d ago
quiet
静か
16d ago
Recall
Which word means “luggage”?
Which word means “student (esp. a university student)”?
Which word means “cake”?
Which word means “condition”?
Listen and choose
What did you hear?
What did you hear?
What did you hear?
Your turn — say it, then check
Say: “Many apologies for being so late!”
遅れてしまってごめんなさい。
Say: “I might flunk the course.”
単位を落としてしまうかもしれません。
Today’s input · ~20 min — where fluency actually comes from
Immersion — the real thing
Install the Yomitan pop-up dictionary, put on an anime you actually like with *Japanese* subtitles, and read along — look up only what blocks understanding. From here, this is the engine; the course was just the on-ramp.