Chú-im (子音), ia̍h sī kiò choè chí-im, hú-im (輔音), sī tan-im (單音, phone) ê chi̍t chióng, kap bú-im siong-tùi. Bú-im sī tī hoat-im koè-têng kan iû khì-liû thong-koè chhùi-khiuⁿ siū kàu chó͘-gāi tha̍k chhut ê siaⁿ-im.
