问：弹了几年琴，左手震音弹不快，弹久了手酸。t答：震音（tiemolo）的技巧在钢琴上是指反复交替地弹奏分解八度，有时八度里夹有和弦音。弓弦乐器运用震音也很普通，是指弓子上下急速运行拉奏分解的和弦或八度。t在钢琴作品中喜欢震音手法的作曲家有贝多芬，在《悲怆》奏鸣曲 Q: Playing a few years piano, shocking left hand sound unpleasant bullets, bouncing long hand sour. tA: The technique of tiemolo means playing the octave octave repeatedly and alternately in octaves, sometimes with an octave chord. The use of tremolo bowstring instrument is also very common, refers to the bow up and down rapid decomposition of chords or octaves. tThe composers who like the technique of tremolo in piano works have Beethoven,