Suddenly there came a rat - a - tat on the door.
突然传来了一阵梆梆的敲门声.
《现代汉英综合大词典》
At the rat - a - tat of the knocker her heart fly into her mouth.
听到敲击者咚咚声她的心都悬起来了.
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And she knocked the door with a rat - a - tat - tat.
她用力敲门:咚咚咚.
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A couple is in bed sleeping when there's a rat a - tat - tat on the door.
正当一对夫妻在床上睡觉时,门边传来了老鼠声.
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