脑力激荡

to brainstorm

brain / mind / head / essence

mental capacity

power / force / strength / ability / strenuously

to arouse / to incite / to excite / to stimulate / sharp / fierce / violent

to rage / to dash / to surge

to rage / to dash / to surge / also written 激盪|激荡

variant of 蕩|荡[dang4]

variant of 燙|烫[tang4] / variant of 趟[tang4]

to wash / to squander / to sweep away / to move / to shake / dissolute / pond