It may be used mostly as a general call of attention for disapproval, disagreement or inconsistency, but also serves as a synonym of the multiuse expression "eu, hein!". (葡萄牙語)How to say 'eu, hein' in English – Adir Ferreira Idiomas互联网档案馆的存檔,存档日期2013-07-08.
Catford, J. C. Glottal Consonants … Another View. Journal of the International Phonetic Association. 1990, 20 (2): 25–26. JSTOR 44526803. doi:10.1017/S0025100300004229(英语).
Roach (2004) Roach, Peter, British English: Received Pronunciation, Journal of the International Phonetic Association, 2004, 34 (2): 239–245, doi:10.1017/S0025100304001768
Olson et al. (2010) Olson, Kenneth; Mielke, Jeff; Sanicas-Daguman, Josephine; Pebley, Carol Jean; Paterson, Hugh J., III, The phonetic status of the (inter)dental approximant, Journal of the International Phonetic Association, 2010, 40 (2): 199–215, doi:10.1017/S0025100309990296
Catford, J. C. Glottal Consonants … Another View. Journal of the International Phonetic Association. 1990, 20 (2): 25–26. JSTOR 44526803. doi:10.1017/S0025100300004229(英语).
Phonetic Symbols for Portuguese Phonetic Transcription(PDF), October 2012, (原始内容(PDF)存档于2014-11-08) –通过users.ox.ac.uk (英语). In European Portuguese, the "é é" interjection usually employs an epenthetic /i/, being pronounced [e̞ˈje̞] instead.
Edmondson, J. A.; Esling, J. H.; Harris, J. G., Supraglottal Cavity Shape, Linguistic Register, and Other Phonetic Features of Somali, CiteSeerX 10.1.1.570.821(英语).
Phonetic Symbols for Portuguese Phonetic Transcription(PDF), October 2012, (原始内容(PDF)存档于2014-11-08) –通过users.ox.ac.uk (英语). In European Portuguese, the "é é" interjection usually employs an epenthetic /i/, being pronounced [e̞ˈje̞] instead.
It may be used mostly as a general call of attention for disapproval, disagreement or inconsistency, but also serves as a synonym of the multiuse expression "eu, hein!". (葡萄牙語)How to say 'eu, hein' in English – Adir Ferreira Idiomas互联网档案馆的存檔,存档日期2013-07-08.