A metronome is a small machine — or now often a phone app — that clicks at a steady speed so a musician can keep time. The old ones had a swinging arm and a weight you slide: the beat gets slower or faster as you move it. Each click is one beat.

A metronomeMetronome is是 a small machine一個小機器 or now often a phone app現在也常常是手機app that clicks at a steady speed用穩定的速度發出滴答聲 so a musician can keep time讓音樂家能抓住節奏 The old ones had a swinging arm and a weight you slide舊式的有一根會擺動的手臂和可以滑動的重錘 the beat gets slower or faster as you move it你移動重錘，拍子就會變慢或變快 Each click is one beat每一聲滴答就是一拍

Teachers set it to a number of beats in a minute. It does not tell you which notes to play; it only says how fast the beat is going.

Teachers set it to a number of beats in a minute老師會把它設定成每分鐘幾拍 It does not tell you which notes to play它不會告訴你要彈哪個音 it only says how fast the beat is going只會告訴你拍子的速度

Though actually, many players practise with it and then turn it off, because real music slightly pushes and pulls the time.

Though actually不過其實 many players practise with it and then turn it off很多人會用它練習，之後再把它關掉 because real music slightly pushes and pulls the time因為真正演奏時節奏會有一點點推拉伸縮

The word was built from Greek for “measure” and “rule”, which fits: it is a rule for measuring time in music. You will hear it in music lessons more than in ordinary chat, unless someone jokes that a person is too regular, like a metronome.

The word was built from Greek for “measure” and “rule”這個字是從希臘文的「測量」和「規則」組成的 which fits這很符合它的作用 it is a rule for measuring time in music它就是音樂裡用來測量時間的規則 You will hear it in music lessons more than in ordinary chat你在音樂課上聽到這個字的機會比日常聊天多 unless someone jokes that a person is too regular, like a metronome除非有人開玩笑說某人規律得像個metronome