n.枪柄；锡杖附有尖形铜帽的
He's as plain as a pikestaff, poor boy, and keenly aware of it. 可怜的孩子，他相貌平平，而且有自知之明。
Don't tell me you can't see where you've painted over the frame and onto the window, it's as plain as a pikestaff. 不要告诉我你不知道你把油漆刷过了架子，而刷到了窗户上，那不是明摆着的么。
