例句：

　　I came up with this dumb idea.

　　我想出了這個愚蠢而惱人的主意。

　　She's laid up with a broken leg.

　　她因腿部骨折臥床養(yǎng)病。

　　Jo doubled up with laughter.

　　喬笑彎了腰。

　　He continued working up until his death.

　　他一直工作到去世。

　　I often stayed up until two or three in the morning.

　　我經(jīng)常熬夜到凌晨兩三點鐘。

　　Don't give up until you have exhausted all the possibilities.

　　只要還有可能就別放棄。

　　Everyone got up on stage to do a turn.

　　每個人都登臺表演了一個小節(jié)目。

　　The police are building up a picture of the incident stage by stage.

　　警方正逐步摸清那次事件的經(jīng)過。