to an inexpressible degree; "she was looking very young tonight, and, as usual, indescribably beautiful, in a simple strapless dress of a green and white silky cotton"
adverb [方式副词]非言语所能表达地;坏透地
I suddenly felt unutterably depressed. 我忽然感到无法言说的压抑。
unutterably
“ -ably” ⌜ 以某种方式(特征、能力)地 - in a manner of being ~ ⌟