For instance, when wood gets wet it swells, and the drive wheel often jammed, or else the escapement would disengage and suddenly skip several scoops, spilling water all over the floor.
像是木頭遇水膨脹，樞輪經常卡住，不然就是擒縱器失效，一下子跌好幾格，停不住，水漏得滿地。