stumbling block

US /ˈstʌm.blɪŋ ˌblɑːk/
UK /ˈstʌm.blɪŋ ˌblɑːk/
"stumbling block" picture
1.

engel, köstek

a difficulty or obstacle that prevents progress or achievement

:
Lack of funding proved to be a major stumbling block for the project.
Finansman eksikliği, proje için büyük bir engel oldu.
His inability to compromise was a constant stumbling block in negotiations.
Uzlaşmaya yanaşmaması, müzakerelerde sürekli bir engel oldu.