Grammar fix
pose a challenge
create difficulty
to be something that is difficult to deal with
collocationC1occasional
Hear it in context
Notice where the phrase sounds natural.
Rising sea levels pose a serious challenge to coastal cities.
An ageing population poses a challenge for healthcare systems all over the world.
Fix the pattern
One small grammar move makes it sound right.
Not: Climate change poses a challenge of coastal cities.
Say: Climate change poses a challenge to / for coastal cities.
'Pose a challenge TO / FOR' someone — not 'of'.
Which sounds natural?
Tap the one a native speaker would say.
'Pose a challenge' is the natural (slightly formal) collocation; 'presents a formidable predicament' is overblown.
Build natural chunks
Words that usually travel with it.
pose a challenge to
- a serious challenge
- a threat
- a risk
- to the system