Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
下水 gesui kanál, kanalizaceleda1
中々 nakanaka considerablyjlpt4
jama mountain, pile, heap, climax, critical pointjlpt5, shizen
土木 doboku public worksmix
上がる agaru (1)to rise/to go up/to come up/to ascend/to be raised/ (2)to enter (esp. from outdoors)/to come in/to go in/ (3)to enter (a school)/to advance to the next grade/ (4)to get out (of water)/to come asho godan, verb, vintrans