He'd observed no guards, dogs, or alarm system.
他注意到没有警卫，狗，或警报系统。
There were no guards in front of the prison,so they went to the gate and waited there.
监狱前面没有卫兵，于是他们来到大门口，在那儿等着。
There were no guards in front of the prison, so they went to the gate and waited there.
监狱前面没有卫兵，于是他们来到大门口，在那儿等着。
There were no guards in front of the prison, so they went to the gate and waited there.
监狱前面没有卫兵，于是他们来到大门口，在那儿等着。
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