Word四しsiMeaningfoursPart of speechnumeralPronunciationCourseJapaneseLessonNumbers up to 10Usages of si二に百ひゃく 七なな十じゅう 四しnihyaku nanazyuu si274四し月がつsigatuAprilElon.io is an online learning platformWe have hundreds of Japanese lessons and thousands of exercises.Start learning Japanese nowYour questions are stored by us to improve Elon.ioYou've reached your AI usage limitSign up to increase your limit.