Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
工学 kougaku engineeringmix
運動会 undoukai sportovní mítink, sportovní akademieleda1, sport
火に油を注ぐ hiniaburawososogu to make things worse, to stir things up, lit: to add fuel to the firegodan, verb
覚める sameru (1)to wake, to wake up, (2)to become sober, to sober up, to regain consciousness (e.g. after anaesthesia), (3)to come to one's senses, to be disillusioned ichidan, jlpt3, verb, vintrans
換気 kanki ventilationsuru