Vocabulary consisting only from characters you are able to read
難問
nanmon
perplexity, difficult question, difficult problemsuru
働き者
hatarakimono
hard worker, hardworking personmix
下る
kudaru
(1)to descend, to go down, to come down, (2)to be handed down (of an order, judgment, etc.), (3)to pass (of time), (4)to surrender, to capitulate, (5)(often in neg. form) to be less than, to be i godan, jlpt3, verb, vintrans