put one's toe briefly in (water), typically to check the temperature
(尤指为了试温度)将脚趾在(水)中蘸一下
(Austral. informal)fail
(澳,非正式)失败
I nearly dipped out of the course.我几乎半途而废。
I nearly dipped out of the course.
我几乎半途而废。