This kanji has kunyoumi of ひら、びら or あ, and it has onyoumi of カイ. This character means: open, unfold, or unseal. It has the following radicals: gate, door, one, and folded hands. You can remember this kanji with this hint: Two hands removing the gate bolt. Our example sentence is:私はアームチェアーに戻って本を[開]いた。わたしはアームチェアーにもどってほんをひらいた。I sat back in the armchair and opened the book.

GradeKunOnMeaningStrokesExample Sentence
JLPT N4ひら、びら、あカイopen, unfold, unseal12私はアームチェアーに戻って本を[開]いた。
わたしはアームチェアーにもどってほんをひらいた。
I sat back in the armchair and opened the book.