adj.使人惊慌的，胆小的，容易受惊的，可怕的，吓人的
But the president of the jury has sounded the scat the competition ended.
但没过多久,主裁判就吹响了比赛结束的哨声.
I don't want you here, so scat!
我这里用不着你, 走开!
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