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to insert; to put in
to plant (a cutting); to strike
to arrange (flowers)
to wear (a sword) in one's belt
to shut; to close; to lock; to fasten
綺麗な花を花瓶に挿しておいた。
I put the flowers in the vase.
彼女は髪にきれいな花のかんざしを挿した。
She inserted a beautiful flower hairpin into her hair.
花瓶に色とりどりのバラを挿している。
I am putting colorful roses into the vase.