難

mountain (pile) of difficult problems

refugee crisis

difficult sentence

difficult matter or case

becoming more difficult (e.g. exam); increasing difficulty

outflow of refugees

difficult phrase

return of refugees

Finance

averaging

As 〜に難くない

easy (to ...)

asylum seekers

difficult reading of a kanji

difficult word

Convention Relating to the Status of Refugees

(degree of) difficulty

(television or radio signal's) poor reception

fireproof

elucidation of a difficult passage

fault-finding

Computing

glossary

Cherokee rose (Rosa laevigata)

digestion resistant dextrin; indigestible dextrin

difficult; hard; troublesome; complicated; serious (disease, problem, etc.)

Medicine

refractority (of a disease); intractability; difficulty to cure