dipstick
/ˈdɪpstɪk/noun
1
- a graduated rod for measuring the depth of a liquid, especially oil in a vehicle's engine.浸量尺, 测深尺, （尤指车辆的引擎中用来测量油的）量油尺。
2
- informal a stupid or inept person.〈非正式〉笨蛋, 傻瓜。