Senses
困难/ 困難 difficult
hard to do or accomplish; requiring a lot of effort; challenging
困难/ 困難 difficulty
a problem or obstacle that is hard to deal with; a challenging situation
困难/ 困難 impoverished
lacking money or necessities; in straitened circumstances or financial hardship
困难/ 困難 ugly
(slang) physically unattractive or unpleasant to look at