mercilessly
🇺🇸
/ˈmɜːrsɪləsli/
🇬🇧
/ˈmɜːsɪləsli/
without any pity or compassion
The soldiers fought mercilessly, showing no mercy to their enemies.
士兵們毫不留情地戰鬥,對敵人毫不手軟。