resembling or characteristic of a rat
鼠的;似鼠的
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his ratty eyes glittered. 他那老鼠般的小眼睛闪闪发光。
(of a place)infested with rats
(地方)多鼠的。
〈非正式〉 破旧的;邋遢的;凌乱的
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a ratty old armchair. 破旧的扶手椅。
[predic.]
〈英,非正式〉 (人)暴躁易怒的
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I was a bit ratty with the children. 我在孩子面前有点暴躁。