"Cat and Mouse" is followed by Season one's "the Hidden Enemy" and then an episode originally titled "the New Padawan" that was re-edited into the Clone Wars feature film.

《猫与鼠》之后是第一季的《内奸》，然后是原本定名为《新学徒》、后被重新剪接进了《克隆人战争》剧场版电影里的一集。

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The enemy hidden in our ranks are of course much more dangerous than those acting in broad daylight.

隐藏在我们队伍中的敌人当然要比明火执仗的敌人更加危险。

《新英汉大辞典》

Although the MERT don't intentionally land during fire-fights, it would be very easy for a hidden enemy to shoot an RPG and take out the helicopter as it lands.

医疗应急反应小组并不愿意在前线降落，因为只要一个隐藏的敌人发射一枚火箭弹就能轻易击落正降落中的直升机。

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Mr Brockman said the idea that the Spitfires were hidden to stay out of enemy hands was not necessarily correct because Japanese forces would have not been in a position to use them at that point.

BBC: Search for missing Spitfires in Burma due to begin

When the real invasion got under way, in March, 2003, American soldiers came under attack from a hidden enemy that was wearing no uniform at all.

NEWYORKER: General Principles