立時間
lap6 si4 gaan1laap6 si4 gaan1lì shí jiāninferred
English
- in a flash (less common than 霎時間 saap3 si4 gaan1)
粵語 — Cantonese
- 喺極短嘅時間內（冇「霎時間」咁普遍）
Examples
加咗疊字，語氣真係立時間唔同咗。
With duplicated words added, the tone sounds different at once.
Sources: rime-cantonese, synthesized, words.hk