難 - difficult, impossible, trouble

safe (e.g. choice); secure; innocuous; inoffensive

sufferings; ordeals; agony

taking refuge; finding shelter; evacuation; escape; seeking safe haven

difficult problem; challenge

hard to please; difficult; particular; fussy; choosy; picky; fastidious

thank you very much

most difficult; next to impossible

criticism; blame; censure; attack; reproach

easily

disapproval; reluctance; unwillingness

difficult to understand; unintelligible; abstruse

difficulty; trouble; hardship; shortage