______________________________________

　　______________________________________

　　All the necessary steps have been taken to ensure their safety.

　　Please ensure that all the lights are turned off at night.

　　3. 为了保证自行车不被偷走,我装了一把新锁。

　　(一句多译)

　　____________________________________

　　____________________________________

　　____________________________________

　　____________________________________

　　____________________________________

　　To ensure the bicycle from being stolen, I fitted a new lock. / To ensure the bicycle against being stolen, I fitted a new lock. / To ensure that the bicycle would not be stolen, I fitted a new lock.

　　7. effort n. 努力；艰难的尝试；努力的成果

　　Your success lies upon your effort.

　　你成功与否取决于你的努力。

　　The workers are making effort to overfulfil

　　this year’s plan.

　　工人们正在努力超额完成今年的计划。

　　I know you don’t like her, but you could make

　　an effort to be polite.

　　我知道你不喜欢她,但你要尽量礼貌些。

　　Every effort is being made to deal with the

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