He obeyed, and was promptly arrested as a suspicious character prowling within the precincts of the palace.

他照做了，但很快就被抓了起来，因为那军官认为他是个可疑人物，在宫里的各个角落里鬼鬼祟祟。

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He is a suspicious character.

他是个可疑的人物。

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Elevators can be dangerous places, particularly for women on their own. If a suspicious-looking character gets in, leave the elevator as soon as possible.

电梯可能是危险的地方，对独身女子而言更是如此。如果有可疑人物进入电梯，你要尽快离开。

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