一磚豆腐想升仙 (jat1 zyun1 dau6 2 fu6 soeng2 sing1 sin1) — (Sarcasm) When someone thinks he/she knows everything by knowing just a part of it in Cantonese
jatˉ¹一zyunˉ¹磚dauˍ₆豆2腐fuˍ₆想soengˊ²升singˉ¹仙简 一砖豆腐想升仙
Mandarin Pinyin: yi1 zhuan1 dou4 fu5 xiang3 sheng1 xian1
Meaning of 一磚豆腐想升仙
noun(Sarcasm) When someone thinks he/she knows everything by knowing just a part of it