When the power suddenly cuts out and the whole house goes pitch black, I'd feel my way to the breaker box first instead of standing there hollering for someone.家里突然断电、一片漆黑，我会摸黑先去找电闸，而不是站在原地喊人。

Go with your first gut reaction, no need to explain yourself.按第一反应选最像你的那个，不用解释自己。