名詞 step down:

1. the act of decreasing or reducing something
   同義詞：decrease, diminution, reduction, step-down

動詞 step down:

1. give up or retire from a position
   同義詞：leave office, quit, resign
2. reduce the level or intensity or size or scope of
   同義詞：de-escalate, weaken

1. The old man hardly stepped down from the bus when it started.
   這位老人剛下汽車，汽車就開走了。
2. His forceful argument soon made the opposing speaker step down.
   他有力的論點很快就使對方的發(fā)言者認輸了。