JLPT N3 · Adverbs of frequency & amount
いちいち
one by one; every single
Stroke order of いちいち
4 characters, 8 strokes in total. Watch the animation, then try writing it yourself.
Memory trick
ICHI-ICHI — 'ichi' one, 'ichi' one: one by one.
Parts: Adverb; sometimes annoying detail.
The characters in いちいち
Example sentence
いちいち説明しなくてもいい。
いちいちせつめいしなくてもいい。
You don't need to explain every single thing.