spasm [ˈspæzəm]

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n.痉挛，抽搐；一阵发作

when a muscle suddenly and uncontrollably becomes tighter

When the spasm passed, it left him weak and sweating. 一阵痉挛之后，他虚弱无力，一直冒汗。
He kicked the chair in a spasm of impatience. 他突然变得不耐烦，一脚踢向椅子。