resembling or characteristic of a rat 鼠的;似鼠的 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 ■(informal)shabby, untidy, or in bad condition (非正式)破旧的;邋遢的;凌乱的 a ratty old armchair. 破旧的扶手椅。
[predic.](Brit. informal)(of a person) bad-tempered and irritable (英,非正式)(人)暴躁易怒的 I was a bit ratty with the children. 我在孩子面前有点暴躁。