You met ～てもいい / ～てはいけない on Day 54 — today is reps, not re-reading. Fresh words and sentences below, same pattern. Reminder: Permission and prohibition: 〜てもいい (may), 〜てはいけない (must not). Re-read the full lesson →
Today's words
失敗
failure; mistake
客
guest; visitor
走る
to run
事故
accident; incident
Write today's kanji — tap to replay
失
敗
客
走
事
故
See it in real sentences
言っちゃいけないんだけど。
My lips are sealed.
とてもいいよ。
It's very good.
速く走らなくてもいいんだよ。
You do not have to run fast.
追試を受けなくてはいけません。
I have to take the test again.
出されたものを食べなくてはいけません。
You must eat what you are served.
もちろん欲しければとってもいいよ。
Of course you can take it if you want.
Practice
Spaced review — recall from earlier days (tap to flip)
one cup (of)
いっぱい
1d ago
to resemble
似る
1d ago
to fly
飛ぶ
3d ago
song
歌
3d ago
a lot
たくさん
7d ago
once more
もう一度
7d ago
Recall
Which word means “to run”?
Which word means “guest”?
Which word means “failure”?
Which word means “accident”?
Listen and choose
What did you hear?
What did you hear?
What did you hear?
Your turn — say it, then check
Say: “My lips are sealed.”
言っちゃいけないんだけど。
Say: “It's very good.”
とてもいいよ。
👀 Today’s input · ~15 min — where fluency actually comes from
Real-world Japanese
NHK News Web Easy is now within reach — simplified news with furigana *and* audio, so you can read and listen at the same time. Do one short article a day; hover past what you don’t know.