唔該

Etymology
From the negation particle and the character, literally meaning "[this] should not [be done]", saying that what the other had done was not necessary or it was very kind of them to have done this.

Phrase

 * 1) excuse me (to get attention)
 * 2) please
 * 3) thank you
 * 1) thank you
 * 1) thank you
 * 1) thank you
 * 1) thank you

Usage notes
When 唔該／唔该 is used to mean "thank you," only use it to thank someone for something that you have requested or for small favors. Using it to thank someone for a greater favor such as a (gift, patronage, or applause) may be offensive. See.