► 格助詞
とは [とわ] [とは～難い] [と＋は] meaning: doubt rank: 1
☆ これが偶然とは信じ難い (しんじがたい) ⇨ It is hard to believe this is a coincidence (☛ Can be pronounced either にくい or がたい. がたい sounds more literary)
☆ こんなやり方が成功するとは考え難い (がんがえにくい) ⇨ It is hard to think this kind of way would work (☛ Can be pronounced either にくい or がたい. がたい sounds more literary)
► 終助詞
な [な] [coll] [peer] meaning: doubt rank: 1
☆ うーん、なんかどうも変だな ⇨ Hmm, something fishy
☆ なんか嫌な予感がするな ⇨ I just have a bad feeling
ねえ [ねえ] [ね] [coll] meaning: doubt rank: 2
☆ そんな簡単に行くもんですかねえ？ ⇨ Will the thing go that easily?