Hi, everyone.
Could someone tell whether "cold" in this sentence is an adverb or adjective? And what does "cold" mean in this sentence?
Make sure you practice these equations until you have them down cold.
Thanks!
silak12 have them down cold. It is an idiomatic expression meaning that the equations are solidly fixed in your memory.
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silak12have them down cold.
It is an idiomatic expression meaning that the equations are solidly fixed in your memory.