Subject + 可能 + 违法
违法 (wéifǎ) means "to violate the law" or "illegal," combining 违 (to violate) and 法 (law). It can function as both a verb and an adjective. For example, 可能违法 means "may be illegal."
在公共场所吸烟是违法的。
Zài gōnggòng chǎngsuǒ xīyān shì wéifǎ de.
Smoking in public places is illegal.
这种行为已经违法了,你要小心。
Zhè zhǒng xíngwéi yǐjīng wéifǎ le, nǐ yào xiǎoxīn.
This kind of behavior is already illegal — you should be careful.
他们因为违法经营被罚了一大笔钱。
Tāmen yīnwèi wéifǎ jīngyíng bèi fá le yí dà bǐ qián.
They were fined a large sum of money for illegal business operations.