kick at an open door(redirected from one has kicked at an open door)
kick at an open door
To easily achieve victory or a desired outcome because it is supported by a majority of people. The area was so entrenched by rebels that the incoming soldiers simply kicked at an open door when they came to liberate the region. Many assumed that the candidate's seemingly outlandish views would be quickly and decisively dismissed by the population, but it turns out that, in many parts of the country, he was kicking at an open door.
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