indecipherable

音標(biāo)發(fā)音

My efforts at conversation with the driver resulted only in grunts and indecipherable phrases.
我努力地和司機(jī)講話，但結(jié)果只有咕噥聲和無(wú)法辨認(rèn)的只言片語(yǔ)。
The language has also proven to be indecipherable, though according to its page on Abe Books, cryptologists have managed to decipher the numbering system.
盡管密碼專家根據(jù)其在Abe books上的書頁(yè)，成功的破譯了其文字編譯體系，但仍無(wú)法解釋這些文字的含義。
And it remains to be seen whether the indecipherable portions of the message might yet be recovered by further advances in recording technology.
另外，無(wú)法破譯的部分是否可以通過(guò)錄音技術(shù)的進(jìn)一步發(fā)展加以破解還需拭目以待。

Their newly uncovered languages had been long forgotten; their rich literary and legal texts were now indecipherable.
最近發(fā)現(xiàn)的語(yǔ)言是很早就已經(jīng)被人忘記的;,豐富文學(xué)法律條文也難以辨認(rèn)。
耶魯公開課 - 舊約導(dǎo)論課程節(jié)選

It was like a piece of paper bearing the indecipherable text of a magic spell.
NEWYORKER: Town of Cats
The father said his son kept journals, but they were written in an indecipherable script.
NPR: Records Provide New Look At Ariz. Shooting Spree
You may excuse your gawking as akin to staring at a train wreck, but to Sheen you are indecipherable from his true fans.
FORBES: Charlie Sheen: Don't Make Him an American Idol

If writing or speech is indecipherable, you cannot understand what the words are.