Question

توی ذوق کسی زدن

 

Answer 1

Burst someone's bubble

http://idioms.thefreedictionary.com/burst+bubble

Answer 2

dampen sb’s spirits (=make them feel less happy)

a slap in the face

Answer 3

Ruffle somebody's feather

Answer 4

To rain on someone's parade: 
means to spoil someone's good mood or excitement by bringing up bad news or negative information, essentially ruining their moment of celebration or happiness. Example: "I don't mean to rain on your parade, but I don't think this plan will work."

 

To throw cold water on:
This means discouraging or dampening someone's excitement.
Example: "She was so excited about her new project, but he threw cold water on it by pointing out all the challenges."

 

 

The below idiom(s)/expression(s) are still correct, but they are mostly used in other contexts.

to put a damper on:
to make (something) less strong, active, or exciting

as in "His bad mood put a damper on the celebration."

 

to take/knock the wind out of one's sails,
to knock the wind out of one:
means to cause someone to lose confidence or energy. Example: The team's star player was injured and it really took the wind out of their sails.

Answer 5

میشه از واژه ی discourage استفاده کرد.

It discouraged me to hear so little enthusiasm for the project.

Answer 6

این مورد هم مدنظر باشه:

تو ذوقی، تو دهنی:

a kick in the teeth/gut/stomach

تو ذوق کسی زدن:

to kick sb in the teeth/...