抗议 (kàng yì): to protest; protest

The factory suddenly announced that it would lay off over a hundred people. The workers were very unhappy and decided to go on strike as a protest.

The government planned to build a large waste incineration plant in the city center. Nearby residents worried about air pollution and flooded the community forum with protest posts.

Customers were angry that the restaurant suddenly raised its prices. Many refused to pay after eating and protested to the consumers' association.

International students felt the school's decision to raise tuition was unfair. They jointly wrote a letter of protest and submitted it to the president's office.

The environmental group held a peaceful protest by the river against the factory discharging untreated wastewater into the river.