非法

Zhè shì fēifǎ de xíngdòng.

This is an illegal action.

This sentence is usually used when someone is doing something that is against the law.

Fēifǎ màoyì shì yīzhǒng yánzhòng de wèntí.

Illegal trade is a serious problem.

This phrase expresses concern over unlawful trading practices.

Fēifǎ yímín shì quánqiú xìng de wèntí.

Illegal immigration is a global issue.

This sentence highlights the worldwide problem of illegal immigration.

Tā bèi zhǐkòng fēifǎ chíyǒu wǔqì.

He is accused of illegal possession of weapons.

This sentence is used when someone is suspected of contravening laws by having weapons unlawfully.

Tā yīn fēifǎ dǔbó bèi bǔ.

He was arrested for illegal gambling.

This sentence is usually used when someone has been apprehended due to unlawful gambling activities.

Fēifǎ kǎobèi diànyǐng shì fànfǎ de.

Illegally copying movies is against the law.

This phrase concerns the illegal act of duplicating copyrighted films.

Fēifǎ lièshā yěshēng dòngwù huì shòudào yánzhòng de chǔfá.

Illegal hunting of wildlife will be severely punished.

This phrase emphasizes that there are stringent penalties for illegal hunting of animals.

Fēifǎ xiàzài yīnyuè shì bù dàodé de.

Illegally downloading music is immoral.

This statement is used to express disapproval of the illegal act of music piracy.

Fēifǎ qīngdǎo lājī yánzhòng wēixié huánjìng.

Illegal dumping of trash seriously threatens the environment.

This sentence highlights the environmental risks caused by the unlawful disposal of waste.

Zhè lèi yàowù fēifǎ yòngyú zēngqiáng yùndòngyuán de biǎoxiàn.

These drugs are illegally used to enhance athlete's performance.

This statement brings attention to the illicit use of performance-enhancing drugs in sports.