Golden needle: a metaphor for a secret method, a knack; degree: to pass through "crossing", to cross over, to extend to teach. Teach your clever methods to others.
Source: Jin Yuanhaowen's poem "On Poetry": "If you want to learn mandarin duck embroidery, don't teach people how to use gold needles."
What the poster said about how to use gold needles to pass the day. Is it a martial arts skill?
In martial arts novels, it is often said that golden needles are used to cross acupoints, which is probably similar to acupuncture.