n.骑士；武士
adj.傲慢的；满不在乎的；无忧无虑的
The cavalier defeated all the antagonists. 那位骑士打败了所有的敌手。
用作形容词 (adj.)People were often irritated by his cavalier attitude toward them. 人们常常被他目空一切的态度弄得恼火。
But generally the industry adopted a rather cavalier attitude to click fraud. 但通常业界对点击欺诈都采取了有点轻视的态度。
