Language en_US jaSearch Listen: TEKKI-RI てっきり 2026.09.162026.09.18 LISTEN & PRACTICE TEKKI-RI てっきり Listen to natural Japanese and repeat after the speaker. WORD てっきり EXAMPLE 1 店が閉まっている → 「てっきり営業してるかと思った。」 The shop is closed. — “I thought for sure it would be open.” EXAMPLE 2 「てっきり、この電車で合ってると思ってました。」 “I was sure this was the right train.” Want to explore this word in more detail? Explore TEKKI-RI on Santaro.site → ← Previous: YAPPA-RINext: SOKKU-RI → Voice: VOICEVOX:剣崎雌雄