Retarding
v. 延遲；遲滯, 減速（retard的ing形式）
??? 情景例句
People who don't smoke think that cigarettes stink.
不吸煙的人認為煙的味道很差。
It is the first step that costs.
萬事開頭難。
Twenty people had already left.
有20個人已經離去。