挿 Kanji
彼はボタンの穴に花を挿した。 He stuck a flower in his buttonhole.
釘刺差挿 Kanji
実際はそんなことあるわけないが、釘を刺すにはちょうどよさそうだ。 There's no way something like that would really happen, but it seemed just right to drive the point home.