describes the situation where a person is speaking a language inaccurately which is not his/her mother tongue
Definitions (粵典–words.hk)
形容詞
講嘢嘅口音唔標準，混雜咗多過一種語言嘅口音 (of speech) combining accents of various spoken languages; literally: half salty (half) tasteless
近義詞
唔鹹唔淡
參看
半鹹半淡
Definitions (Wiktionary)
noun, Min-Dong
"Half Fuzhou dialect and half Mandarin", i.e. Fuzhou dialect spoken by a non-native, or Standard Mandarin spoken by a native Fuzhounese.
noun, Min-Dong
A person who speaks nonstandard Fuzhou dialect or Mandarin.
adj, Hakka
to have a smattering of knowledge about something; to be a non-expert (syn.) 半桶水
adj, Cantonese, of language mastery
bad; low-quality; non-standard
adj, Hakka
half salty and half insipid; not salty enough