with a wet finger
輕松，毫不費力地
例如：Go ahead,you can do it with a wet finger.
去吧，你可以毫不費力地辦好這件事情。
He defeated them with a wet finger.
他輕而易舉地擊敗了他們。
輕松，毫不費力地
例如：Go ahead,you can do it with a wet finger.
去吧，你可以毫不費力地辦好這件事情。
He defeated them with a wet finger.
他輕而易舉地擊敗了他們。