About: difficult at time

Premodifier: difficult at
Head noun: time

Same concepts

Broader concepts

label	provenance	confidence

Narrower concepts

label	provenance	confidence
writing	isap:72226925	0.286462
unfortunately	isap:146202167	0.278952
book	isap:174994092	0.223869
control	isap:73503771	0.184417