Correct option is A
Option
(a) is the correct meaning of the given idiom.
A kick in the teeth: A
harsh disappointment or setback, especially when something hurtful happens unexpectedly. (Hindi: करारी चोट या गहरा आघात)
Example: Losing his job just before his wedding was a real kick in the teeth.
Other related idioms:
·
Bitter pill to swallow – A painful or unpleasant fact.
·
Blow to the gut – An emotionally painful situation.
·
Slap in the face – A humiliating insult or disappointment.