大変たいへん
taihen

Adverb

1. very; greatly; terribly; awfully

いちにちじゅうあるまわって大変たいへんつかれた。
ichinichichū arukimawatte taihen tsukareta.
I am dead tired from walking around all day.
Noun
na-Adjective

2. immense; enormous; great

あえていういますが、もし我々われわれがそんなことをすれば大変たいへんあやまりをおかすことになるとわたくしおもいます。
aete iimasuga moshi warewarega sonna kotō sureba taihenna ayamario okasu kotoni naruto watashiwa omoimasu
At the risk of sticking my neck out, I think that if we do that, we're making a big, big mistake.
Noun
na-Adjective

3. serious; grave; dreadful; terrible

もし期限きげんれになったら、大変たいへんなことになるよ。
moshi kigengireni nattara taihenna kotoni naruyo.
There will be hell to pay if I don't make this deadline.
Noun
na-Adjective

4. difficult; hard; challenging

Noun

5. major incident; disaster

Archaic
Other forms: