bout
/baʊt/noun
1
- a short period of intense activity of a specified kind一段, 一阵, 一次：
occasional bouts of strenuous exercise
偶尔几次紧张的练习
a drinking bout.
一阵狂饮。
1.1
- an attack of illness or strong emotion of a specified kind（疾病或感情的）发作：
a severe bout of flu.
流行性感冒大发作。
1.2
- a wrestling or boxing match摔跤比赛; 拳击比赛。
2
- a curve in the side of a violin, guitar, or other musical instrument（小提琴、吉他或其他乐器边缘的）曲线。
词源
mid 16th cent. （denoting a curve or circuit, hence later a 'turn' of activity）： from dialect bought 'bend, loop'; probably of Low German origin.