pins and needles

Từ điển Oxford Advanced Learner 8th

ˌpins and ˈneedles [pins and needles] BrE NAmE noun uncountable
an uncomfortable feeling in a part of your body, caused when a normal flow of blood returns after it has been partly blocked, especially because you have been sitting or lying in an awkward position
•to have pins and needles
Idiom: ↑on pins and needles

Example Bank:
•I've got pins and needles in my arm.