1. When our national security is at stake, we must do everything we can to restore peace.2. Working as a construction worker, he puts his safety in jeopardy every day.3. Working as a construction worker, he puts his safety at risk every day.
 at stake in jeopardy at risk這些片語都有「受到威脅」的意思，都是正統美語，非常好用。
Smith 先生宣誓就職成為非洲的新財政部部長。 (請填空)
Mr. Smith has been sworn in as Africa's new Minister of inance.下一題 - 酒後肇事 f我要發問