on pins and needles in an agitated state of suspense.
☞ Pins and needles is the pricking or tingling sensation in a limb recovering from numbness.
英语词组固定搭配大全包含15956条英汉双解词组，基本涵盖了全部常用英文词组、短语的翻译及用法，是英语学习的有利工具。