Definition of rough-rider in English:

1A person who breaks in or can ride unbroken horses.

1. 1.1 A person who rides horses frequently.
   〈北美〉经常骑马的人
   Example sentencesExamples

   • At the end of the day the ravenous gang of cow-punchers and rough-riders sat down to a hearty meal.
2. 1.2 A member of a volunteer cavalry force during the Spanish-American War.
   莽骑兵（西美战争中美国招募的志愿骑兵团的骑兵）
   Example sentencesExamples

   • He became commander of the First Volunteer Cavalry, the Rough Riders, with Roosevelt as his No.2.
   • When Theodore Roosevelt's bid to seize the GOP nomination from President Taft failed on a first-ballot vote at the 1912 convention, the old Rough Rider accused party officials of rigging the process.
   • The regiment that he led, known as the Rough Riders, attacked the Spanish in Cuba on 1 July 1898 in a battle that made him a national hero.
   • In 1898 Roosevelt saw combat as commander of the First US Volunteer Cavalry Regiment, known as The Rough Riders, in Cuba during the Spanish-American War.
   • He was turned down by Teddy Roosevelt's Rough Riders during the Spanish-American War.