efficient [ɪˈfɪʃnt]

以下由轻松背单词网站提供

adj.有效的，效率高的；有能力的，能胜任的

working or operating quickly and effectively in an organized way

She is an efficient manageress. 她是个有能力的经理。
Your problem lies in lacking efficient methods. 你的问题在于缺少有效的方法。