wooden board, plank
谁敲木板报警的?
Who banged on the wooden board to raise the alarm?
— 七武士 (1954)
我预先按每周一块木板的价钱付给他们,从现在起一直到工程完工,或者明年年底为止。
I paid them in advance at the rate of one plank per week, from now until the project is finished or the end of next year, whichever comes first.