一個心眼兒 (jat1 go3 sam1 ngaan5 ji4) — have one's heart set on sth; devotedly; stubbornly; be of one mind in Cantonese

one; a; an; the

unit; piece (see Note)

Kangxi radical 61

eye; ocular; look; glance

final particle / suffix, placed after many commonly used nouns to avoid employing one-syllable terms in speech (very common in the Beijing dialect 北京話, see: 兒化, 兒化韻)