當dong1堂tong4

English

1. (adverb) immediately; instantly; right there; there and then
2. immediately; at once; used to bring out an immediate change using an adjective followed by 晒 saai3

粵語 — Cantonese

1. 即刻；通常用喺跟「晒」嘅形容詞前面，帶出即時變化

Examples

• 我當堂呆咗。

  I was dumbfounded.

• 我沖完涼之後當堂舒服晒。

  I felt so relaxed right after the bath.

• 一睇到老細個message，成個人當堂醒晒。

  The moment I saw my boss's incoming message, I immediately became wide awake.