Gain the initiative by striking first; to beat someone to the punch.
发开始行动；制控制，制服。原指丢动手的牌主动地位，可以控制对方◇也泛指争取主动，先动手来制服对方。
《汉书·项籍传》先发制人，后发制于人。”
In chess, it's often better to attack first and 先发制人.
Learn the next connected idiom: 先发制人 (xiān fā zhì rén) → 人满为患 (rén mǎn wéi huàn)
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