The horsemen reined in and shouted at the men behind to turn back.骑手们勒缰停住，对身后的人大嚷，让他们回去。Then , all of a sudden, he reined up his tired horse.这时, 他突然把疲倦的马勒住了.The officer reined in his horse at a crossroads.军官在十字路口勒住了马....
The sky darkens early in winter.冬天天黑得很早.It is here that Twain's satirical vision darkens.吐温那带有讽刺意味的眼光变得更加深沉了.He weakens the body, darkens the intellect, and debases the soul.他摧残人的身体, 蒙蔽人的理智, 腐化人的灵性....