激烈 (jī liè): (ofการแข่งขันหรือการต่อสู้) ที่รุนแรง

The two teams engaged in a fierce contest in the final to compete for the championship.

In the intense market competition, small businesses find it hard to survive without innovation.

In the debate competition, both sides had a heated argument over environmental issues, and neither could convince the other.

Upon hearing this unfair decision, he vehemently expressed his opposition, even slamming the table.

This was a fierce battle, and the soldiers bravely advanced through the hail of bullets.