缓慢: slow, slow-moving...
大哥: eldest brother, big brother (polite address for a man of about the same age as oneself), gang leader, boss...
低下: low status, lowly, to lower (one's head)...
解: acrobatic display (esp. on horseback) (old), variant of (old)...
竞相: competitive, eagerly, to vie...
时常: often, frequently...
景色: scenery, scene, landscape, view...
国产: domestically produced...