- efficient

1.效率高的；有功效的doing sth well and thoroughly with no waste of time, money, or energy

1.有效的,有力的;效率高的

2.有实力的;有能力的,有本领的;能胜任的

1.something that is efficient works well and produces good results by using the available time, money, supplies, etc. in the most effective way; someone who is efficient works well and quickly and is good at organizing their work in the way that gets the best results