海待 [－－]

Jyutping hoi2 doi6
Pinyin hǎi dài

Definitions (Wiktionary)
  1. noun, neologism
    a Chinese who has studied overseas and returned to China, but is unable to find employment in China
Definitions (兩岸三地生活差異詞語彙編—Two Shores Three Places)
  1. 教育：臺
    待業留學生
  2. 教育：陸
    海待、待業歸國留學生

海待 [－－]

Jyutping
Pinyin hǎi dài

Definitions (CC-CEDICT)
  1. student who has returned from overseas but is yet to find a job (pun on 海帶|海带[hai3 dai4])
  2. cf. 海歸|海归[hai3 gui1]