stiff as a ramrod的用法和樣例：
例句
- He tried hard to exercise his stiff leg.
他努力鍛煉他那條僵直的腿。 - A direct road runs through this field.
一條筆直的公路穿過(guò)田野。 - The fact that the ice actually is moving can be readily proved by driving a straight row as stakes across the glacier.
冰川確實(shí)是在流動(dòng)的這一事實(shí)，很容易通過(guò)在冰面上插入一批筆直的標樁來(lái)證明。
