shén​jīng HSK5

nerve

神经 神經 shén​jīng
nerve noun
the bundle of fibers in the body that carries messages between the brain and other parts of the body

Fortunately, there was no nerve damage.

crazy
(colloquial) insane; unhinged; acting in an abnormal or irrational way, often used as an insult or to describe mental instability

Frequency

Movie subtitles
42.7 per million appears in 14% of films
Written text
44.9 per million

Details

HSK 2.0
Level 6
HSK 3.0
Level 5

Sources