海底撈針

see 大海撈針|大海捞针[da4 hai3 lao1 zhen1]

surname Hai

ocean / sea / CL:個|个[ge4],片[pian4] / great number of people or things / (dialect) numerous

seabed / seafloor / bottom of the ocean

(equivalent to 的 as possessive particle)

background / bottom / base / end (of the month, year etc) / remnants / (math.) radix / base

Haidilao (aka Hai Di Lao), hot pot restaurant chain founded in Sichuan in 1994

to fish up / to dredge up

needle / pin / injection / stitch / CL:根[gen1],支[zhi1]