重點(diǎn)講解：
1. work out
鍛煉；健身；
eg. Work out at a gym or swim twice a week.
一周去健身房鍛煉兩次，或游兩次泳。
eg. I work out regularly to keep fit.
我經(jīng)常做運(yùn)動(dòng)以保持健康。
2. get away with
（做壞事而）未受懲罰；（做冒險(xiǎn)之事而）未遭遇不測(cè)；
eg. Naturally we won't let them get away with this.
很自然，我們不會(huì)就這樣放過(guò)他們。
eg. Don't think you can get away with telling lies.
不要以為你撒了謊就可以這樣算了。
3. be sure of
一定的；必定的；無(wú)疑的；確保的；
eg. You're sure of a warm welcome.
你一定會(huì)受到熱烈歡迎的。
eg. Since you are so sure of it he'll believe you.
既然你對(duì)此這么有把握，他會(huì)相信你的。