生词
① expect
1. v.期待，等待
-I am expecting a present from him.
天真的孩童们
2.预计，预料
-I didn’t expect that you came so early.
expect sb. to do sth.
expect sth. to be done
-I still expect the police to find my bag.
-I still expect my bag to be found by the police.
② valuable
adj.贵重的，宝贵的
a valuable ring
valuable advice
-Don’t waste your valuable time.
餐中钱包
valueless adj.一钱不值的
invaluable adj.价值高的无法估计的，值钱的
priceless adj.无价的，值钱的
precious adj.宝贵的
③ diamond n.钻石
a diamond ring
ruby 红宝石
emerald 绿宝石
sapphire 蓝宝石
platinum 铂金
琥珀，属于有机珠宝
-Three snakes, whose poison could kill a person in ten minutes, are guarding a blue star sapphire worth nearly six hundred thousand dollars at a Japanese exhibition of jewels sent from an Indian museum.
④ steal
v.偷（stole,stolen）
steal sth.(from sb./sp.)
-A thief stole my bag (from me).
⑤ rob
v.抢
rob sb./sp. (of sth.)
-A robber robbed me of my bag.
一位低头戴帽者暴力冲破车窗后，欲抢包仓皇而逃
ps: steal的宾语是东西，rob的宾语是人或地点
-His wallet was stolen.
-His house was robbed.
⑥ guard
1.警戒，守卫
be on guard = keep guard 很警惕，在站岗
-Two men are on guard at the gate.
be of guard 不警惕
荷兰海牙市中心扒手警告
-A pickpocket needs targets who are relaxed and off guard;
catch sb. off guard 让某人很惊讶
-Your arrival really caught me off guard.
2.n. 警卫员
区：
bodyguard n.保镖
lifeguard n.救生员
密歇根湖休息时的救生员
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