He colored the flower red and the sky blue.

他把花涂成红色，天空涂成蓝色。

youdao

The plant has a beautiful bright red flower.

这株植物开了一朵美丽鲜红的花。

《牛津词典》

He sports a small red flower in his lapel.

他炫耀自己衣服翻领上的一朵小红花。

《柯林斯英汉双解大词典》

He had a bright red flower in the button hole of his black jacket.

VOA: special.2009.04.04

As the taxi stopped for a red light Paul noticed a flower shop.

VOA: special.2009.04.11

To the naked eye Bip had only the clothes he stood up in: trousers, jacket, soft ballet shoes, striped jersey, and a crumpled opera-hat topped with a red flower.

ECONOMIST: Bip

Ohana Gingergrass Bamboo Scrub, from the line Red Flower, may not be pretty (overlook its resemblance to dirt) but the crushed bamboo is both gentle and effective in sloughing off dead skin, while the ginger and bergamot work to increase circulation.

WSJ: Maintaining the Gloss | Outer Beauty

Red carpet and flower welcoming ceremonies, banquets and gift-giving are all banned to "slam the brakes on extravagance and waste", the newspaper adds.

BBC: China media: Mekong justice