a decision or a problem that you do not need to think about much because it is obvious what you should do 无需用脑的事;容易的决定 The question of who to support in this election should be a no-brainer. 在这次选举中支持谁的问题应该是显而易见的。 I said yes straight away. It was a no-brainer for me. 我马上答应了。对我来说,这是显而易见的。