Vocabulary consisting only from characters you are able to read
Od kolika do kolika hodin si myslíš, že se učil kandži?mix
試作機
しさくき
prototype (e.g. plane)mix
大体
だいたい
general, substantially, outline, main point, approximately, aboutjlpt3
言い難い
いいがたい
hard to say, inexpressible, hesitant to say; hard to say, inexpressible, hesitant to sayadj
低下
ていか
fall, decline, lowering, deterioration, degradationsuru