八 成 bā chéng : eighty percent; most probably; most likely

不 會 bù huì : improbable; unlikely; will not (act; happen; etc; ); have not learned to; be unable to

大 概 dà gài : roughly; probably; rough; approximate; about

殆 dài : dangerous; perilous; endanger; almost; probably; only

Big5: , Unicode: 6b86 (殆),
Links: MT, Cantonese, Ld, Chinese Language

蓋 然 性 gài rán xìng : probability

可 能 kě néng : might (happen); possible; probable; possibility; probability

可 能 性 kě néng xìng : possibility; probability

莫 不 mò bù : there is no one (who doesn't); probably; perhaps