brainstorm
verb [ I or T ] uk/ˈbreɪn.stɔːm/ us/ˈbreɪn.stɔːrm/
自由讨论，集思广益，脑力激荡
(of a group of people) to suggest a lot of ideas for a future activity very quickly before considering some of them more carefully
The team got together to brainstorm (the project). 组员们聚集在一起（就这个项目）集思广益。
brainstorm
noun [ C ] informal uk/ˈbreɪn.stɔːm/ us/ˈbreɪn.stɔːrm/
US (UK brainwave)（突发的）奇想;灵感;妙计
a sudden clever idea
The toy's inventor was watching his children play one day when he had a brainstorm. 这个玩具的发明者有一天在看他的孩子们玩的时候突然有了灵感。
UK 突然神志不清，一时糊涂
a sudden state of being unable to think clearly
I must have had a brainstorm - I went shopping and forgot to take any money. 我当时一定是傻了——我出去买东西却忘了带钱。