短语
中文翻译：看某人的背面
同义词：
["watch someone's back", 'look someone in the eye']
例句：
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1.She was so angry that she couldn't see the back of him.
她非常生气，以至于无法看到他的背面。
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2.The teacher warned us to watch our language and not to be seen talking to others behind someone's back.
老师警告我们要注意自己的言行，不要在别人背后说话。
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3.When he saw the back of his friend, he realized they were having a secret meeting.
当他看到朋友的背面时，他意识到他们正在秘密会面。