Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
大切(な) taisetsu(na) important/valuable/worthy of care/(P)adj, leda1
toshi yearjlpt3, jlpt4, toki
一昨日 ototoi the day before yesterdayjlpt5, toki
使えない tsukaenai uselessadj
生かす ikasu (1)to make (the best) use of, to leverage (skills, attributes, experience, etc.), to capitalise on (experience, etc), (2)to let live, to keep alive, (3)to revive, to resuscitate godan, verb, vintrans, vtrans