@kotobask_app: Which word completes the sentence? Learn a Japanese expression for steady, persistent effort. KOTOBASK Japanese vocabulary quiz app for iPhone 2,500 words with audio and example sentences JLPT N5 to N1 + Everyday Japanese Build your vocabulary through quick quizzes Link in bio #japanesevocabulary #japanesequiz #japaneseonomatopoeia #japanesewords #learnjapanese #studyjapanese #practicaljapanese #日本語 #日本語勉強