を塗る

to paint; to spread or apply

→ を

phrase Common #6,342

to paint; to spread or apply Used after the object being painted or coated, such as walls, bread, butter, jam, or lipstick. It can also be used figuratively, as in damaging someone's reputation.

JA: トムはパンにバターを塗った。

EN: Tom spread butter on the bread.

彼は姉に部屋の壁を塗るのを手伝ってもらった。

He had his older sister help him paint the walls of his room.

その知らせは彼の誠実さに泥を塗る事になろう。

That news would tarnish his integrity.

私は朝、トーストに蜂蜜を塗るのが好きです。

I like spreading honey on toast in the morning.

壁を塗るつもりです。

I’m planning to paint the wall.

彼は妹に部屋の壁を塗るのを手伝ってもらった。

He had his younger sister help him paint the walls of his room.

思い切って全体を塗るか

Should I go for it and paint the whole thing?

— JUNO／ジュノ (2007)