摇动，挥动to shake

• 振铃

  ring a bell

• 振翅

  flutter

• 振笔疾书

  write with rapid strokes

振动to vibrate

参见：振奋[zhènfèn];振作[zhènzuò]

• 振起精神

  give oneself a pep talk

• 同志们，振起精神来，不要失去信心。

  Comrades, pick your spirits up and don't lose heart.