phiàn-chia̍h騙食

to earn a living through fraud

to earn a living through fraud; to earn a living by making use of one's little skill or knowledge

by extension

English Wiktionary, “騙食” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E9%A8%99%E9%A3%9F · confidence: Medium (Wiktionary)