sticking point
US /ˈstɪk.ɪŋ ˌpɔɪnt/
UK /ˈstɪk.ɪŋ ˌpɔɪnt/

1.
난관, 교착점
a point in a discussion or negotiation at which no further progress can be made because of a fundamental disagreement
:
•
The main sticking point in the negotiations was the budget.
협상의 주요 난관은 예산이었다.
•
We reached a sticking point on the terms of the contract.
계약 조건에 대해 난관에 부딪혔다.