「絞盡腦汁」

(pos:動詞)
<explanation>
yue:用盡精力，費盡腦筋都諗唔到方法或者構思
eng:to rack one's brain; to think very hard; literally: to exhaust the juice of the brain
<eg>
yue:我絞盡腦汁都諗唔到好嘅辦法。 (ngo5 gaau2 zeon6 nou5 zap1 dou1 nam2 m4 dou2 hou2 ge3 baan6 faat3.)
eng:I racked my brain on this issue and still nothing feasible come forth.