New Words：

force [fɔ:s]
n.力；力量；暴力；武力；部队
v.强迫；迫使；用力；使发生

Sample Sentences：

You must use force to open that bottle.
I believe there's some force guiding us.
The robber used force to get into the house.

The policemen forced the criminals to give up their arms.
I was forced to take a taxi because the last bus had left.

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