have sth at the tips of one’s fingers

更新日期：2026-08-14

词语	have sth at the tips of one’s fingers
释义	have sth at the tips of one’s fingers或have sth at one’s fingertips 手头就有某物随时可以使用;熟悉某事物;精通某事物：He is quick at writing technical thesis，for he has a lot of reference material at the tips of his fingers.他写技术论文非常快，因为他手头有许多参考资料随时可以使用。
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