Grammar fix
a stumbling block
figurative obstacle or difficulty
something that prevents progress or makes it more difficult to achieve something, especially in a process or discussion.
Hear it in context
Notice where the phrase sounds natural.
- Lack of funding proved to be a major stumbling block for the project.daily life
- One stumbling block many students face when studying abroad is adapting to a new educational system, which can be quite different from what they're used to.IELTS speaking
Fix the pattern
Pattern: a stumbling block (to/for something); a stumbling block (in the way of something)
WrongCost was a stumbling block for the deal.
RightCost was a stumbling block to the deal.
'A stumbling block TO something'.
Patterna stumbling block (to/for something); a stumbling block (in the way of something)
Use it right
Choose the version that sounds natural in speech.
'Principal impediment' is formal; 'stumbling block' is the everyday metaphor.
Build natural chunks
Words that usually travel with it.
a stumbling block totothe maina majorprove
Don't confuse it
Unlike the literal sense of 'stumble' (to trip while walking), 'a stumbling block' refers to any obstacle or barrier, not a physical one. It is more specific than 'problem' and less temporary than 'setback'.