1. 处罚，惩罚（犯错之人）
To punish someone means to make them suffer in some way because they have done something wrong.
punish的解释
e.g. I don't believe that George ever had to punish the children...
我认为乔治根本没有必要处罚孩子们。
e.g. According to present law, the authorities can only punish smugglers with small fines...
根据现行法律，当局只能对走私者处以小额罚款。
2. 惩罚（犯罪之人）；对…判罪
To punish a crime means to punish anyone who commits that crime.
punish什么意思
e.g. The government voted to punish corruption in sport with up to four years in jail...
政府经表决后决定对体育界的舞弊行为最高将处以4年监禁。
e.g. Such behaviour is unacceptable and will be punished.
这种行为不可容忍，必将受到惩罚。