Where does this definition of have iron nerves come from?
This entry for have iron nerves is sourced from Main Dictionary, one of the dictionaries and corpora merged into Lughet.
Is have iron nerves a noun, verb, or something else?
In this entry, have iron nerves is tagged as 2v..
What is Lughet?
Lughet is a free trilingual dictionary covering nearly five million entries across Uyghur, Chinese, and English, drawn from more than ten source dictionaries and corpora.