The sleeves are tight to the elbow, then flare out.

袖子在肘部收紧，接着逐渐展开。

《牛津词典》

The bowed arches of the single-span design are dramatically thin where they connect with the walkway, but they flare out as they approach the ground.

犹如弯弓的单拱，在与人行通道连接之处是非常之薄，在向地面延伸的过程中逐渐变厚。

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The main image suffered from a strange spotting effect near the sun due to a combination of a wet GND filter and sun flare, so I had to clone these out.

因为中灰渐变滤镜被弄湿和太阳的耀光，主图在靠近太阳的部位有奇怪的光点，所以我不得不把这些克隆出来。

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Another collar that goes well with a sport coat sans tie is the semi- or medium-spread collar as both "stand up on their own without a tie, " and don't flare out.

WSJ: Guide to Men's Shirt Collars: Which Styles Go With Which Occasions and Flatter the Face

We still have a lot of problems out there, any of which could flare up at any moment.

FORBES: Comex Gold Eases On Disappointment Fed Action Not More Aggressive

When tempers flare and feelings run high, spread your hands out, palms down, at about waist height, and gently push them down a couple of inches.

FORBES: Magazine Article