先下手为强 1.He who strikes first gains the advantage. 2.To take the initiative is to gain the upper hand. 3.It's always advantageous to make the first move. 捷足先登 1.The swift-footed arrive first. 2.The race is to the swiftest. 3.The early bird catches the worms. 4.The first prize will go to the nimblest. 5.to beat sb.to it