Question

no-brainer n.不伤脑筋的事；无需用脑的事

Accepted Answer

英 美 1[N-COUNT 可数名词]非常容易的问题；容易作出的决定 If you describe a question or decision as a no-brainer, you mean that it is a very easy one to answer or make.   [AM 美]  [INFORMAL 非正式]If it's illegal for someone under 21 to drive, it should be illegal for them to drink and drive. That's a no-brainer.如果不满21岁开车是违法的，那他们酒后驾车也应是违法的，这非常容易理解。2[N-COUNT 可数名词]愚蠢的人(或行为) If you describe a person or action as a no-brainer, you mean that they are stupid.   [disapproval]  [AM 美]  [INFORMAL 非正式]

英语单词	no-brainer
英美音标	英美
中文释义	n.不伤脑筋的事；无需用脑的事
柯林斯解释	1 [N-COUNT 可数名词]非常容易的问题；容易作出的决定 If you describe a question or decision as a no-brainer, you mean that it is a very easy one to answer or make. [AM 美] [INFORMAL 非正式] If it's illegal for someone under 21 to drive, it should be illegal for them to drink and drive. That's a no-brainer. 如果不满21岁开车是违法的，那他们酒后驾车也应是违法的，这非常容易理解。 2 [N-COUNT 可数名词]愚蠢的人(或行为) If you describe a person or action as a no-brainer, you mean that they are stupid. [disapproval] [AM 美] [INFORMAL 非正式]

No Brainer N Count 可数名词 Describe [Am 美 [Informal 非正式