a small tool for making holes in wood to put screws in 螺丝锥;手锥;手钻;木钻 - (figurative)
eyes like gimlets (= looking very hard at things and noticing every detail) 锐利如锥的目光
Word OriginMiddle English: from Old French guimbelet, diminutive of guimble ‘drill’, ultimately of Germanic origin.- (figurative)