flare up [flɛə ʌp]

以下由轻松背单词网站提供

突然发怒；突然燃烧，骤然

You need not flare up merely because I mentioned your work.你大可不必因为我提到你的工作就动怒。
The fire flared up when we thought it was out.我们以为火已经熄灭时火又燃烧了起来。