1.HBHSMALLbeady eyes are small, round, and shiny – used especially about someone who you think looks dishonest or strange 〔眼睛〕珠子般又圆又亮的〔尤指某人看上去不诚实或奇怪〕
2.have/keep your beady eye(s) on somebody/somethingespecially British EnglishBrEWATCH to watch someone or something very carefully – used humorously 睁大眼睛看某人/某物〔幽默用法〕
Examples from the Corpus
beady• He looked at Oliver narrowly, his terrier eyes bright and beady.• With a beady eye he watches the drama of the market place.• My friends were chatting to Sean Murphy, his beady eyes and Guinness-fringed lips at a level with Rozanov's chest.• Dark-haired, he had shrewdbeady eyes, was clean-shaven and showed the beginnings of a jowl.• And two little beady eyes with darkbluecircles under them whether I sleep enough or not.• But if you stayed still, Fred would come stilt-walking over to within six inches and examine you with his beady eyes.• The beady, little eyes softened as Cranston displayed his warrant, a silvercoinlying on top of it.