形容詞 prohibitive:

1. tending to discourage (especially of prices)
   同義詞：prohibitory

1. The cost of redeveloping the product is prohibitive.
   重新研制此產(chǎn)品的成本高得使人不敢問(wèn)津。
2. The cost of travel to the far east is prohibitive.
   到遠(yuǎn)東旅游的費(fèi)用高的令人不敢問(wèn)津。
3. The prohibitive favorite to win the nomination.
   得到絕大多數(shù)投票獲得提名

pro.hib.i.tive

adj.（形容詞）
Prohibiting; forbidding:
禁止的：禁止的；不容許的：
例句：
took prohibitive measures.
采取禁止措施

So high or burdensome as to discourage purchase or use:
抑制的：太高昂或負(fù)擔(dān)太重以致于阻止購(gòu)買(mǎi)或使用的：
例句：
prohibitive prices.
令人望而卻步的價(jià)格

So likely to win as to discourage competition:
令人望而卻步的：十分有可能獲勝以致于阻止競(jìng)爭(zhēng)的：
例句：
the prohibitive favorite to win the nomination.
得到絕大多數(shù)投票獲得提名

【引伸】
prohib.itively
adv.（副詞）
prohib.itiveness
n.（名詞）