lay down one’s life牺牲性命：A noble and respected young man jumped into the river to save a child，the child was saved，but the young man laid down his life，we should memorize him for ever.一位高贵可敬的青年跳下河中去救一个儿童，那儿童得救了，但那位青年牺牲了他的性命，我们应当永远纪念他。lay down the law 发号施令;呵斥：We dare not approach the man，for he is stern and always lays down the law. 我们不敢接近那个人，因为他很严厉，总爱发号施令。 |