Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
火口 kakou kráterleda1, shizen
五日 itsuka five days, the fifth day (of the month)jlpt5, toki
水牛 suigyuu buffalodoubutsu
年上 toshiue older (for people)jlpt3, mix
勉強しても分かりません。 benkyoushite mo wakarimasen. Nerozumím tomu, i když studuji.gakkou
四分 yonpun 4 minutestoki
耳にする miminisuru to hear, to hear by chance, to hear by accident, to catch (the sound)suru
先(の) saki(no) přední, dřívější, nedávnýleda1
上り nobori (1)ascent, climbing, ascending (path), climb, (2)up-train (e.g. going to Tokyo), (n,adj-no) (3)northward (towards Tokyo) jlpt3
日本 nihon Japannamae