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Jyutping lok6 zam2
Pinyin luò zhěn

Definitions (Wiktionary)
  1. verb, of the head
    to touch the pillow (when one intends to sleep)

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Jyutping lok6 zam2
Pinyin lào zhěn

Definitions (CC-CEDICT)
  1. to have a stiff neck after sleeping
  2. (of the head) to touch the pillow
Definitions (Wiktionary)
  1. verb
    to have a stiff and painful neck after sleeping; to have a crick in the neck
    (syn.) 瞓扭頸, 項了頸, 頭頸睏諾爻, 脰骨挫腫, 睏落枕, 拍枕, 握枕, 擰脖筋兒, 失兒枕了, 鬱枕, 交落枕, 岔頸, 失枕, 脖子擰筋兒, 頭頸骨𢺴出, 睏直頭頸骨, 梗頸, 睡岔頸, 熨頸, 捩噠頸, 強頸骨, 戧枕, 瞓歪頸, 脫頭頸, 落枕, 瞓捩頸
  2. verb, of the head
    to touch the pillow (when one intends to sleep)