leave someone out in the cold
US /liːv ˈsʌm.wʌn aʊt ɪn ðə koʊld/
UK /liːv ˈsʌm.wʌn aʊt ɪn ðə koʊld/

1.
把某人晾在一边, 排斥某人
to exclude someone from a group or activity, or to not give them information or help
:
•
They decided to leave him out in the cold when planning the party.
他们决定在计划派对时把他晾在一边。
•
Don't leave me out in the cold; tell me what's going on.
别把我晾在一边;告诉我发生了什么。