ought

〜してみる の訳語→ offer venture

〜すればいい の訳語→ could should

いけない の訳語→ bad harm matter naughty trouble unable unfortunate wicked

きっと の訳語→ always bet bitterly blankly but certainly definitely doubtless fixedly hard have invariably just likely maybe must obviously perhaps presumably probably stiffly sure then tightly truly undoubtedly will

必要がある の訳語→ behoove demand important need