遺憾に堪えない

いかんにたえない いかんにこたえない

really regrettable

遺憾

いかん

regrettable, unsatisfactory

遺憾なく

いかんなく

amply, sufficiently, fully, completely, all out

遺憾ながら

いかんながら

I regret to say, I'm sorry to say, unfortunately

遺憾千万

いかんせんばん

highly regrettable, utterly deplorable

遺憾の意

いかんのい

regret; disappointment

憾む

to regret

慚愧にたえない

ざんきにたえない

deeply ashamed (of oneself); overwhelmed with shame

手に負えない

てにおえない

spoiled, unmanageable, uncontrollable, incorrigible, obstreperous

慙愧に堪えない

ざんきにたえない

feeling deeply ashamed of oneself, overwhelmed with shame

聞くに堪えない

きくにたえない

painful to listen to; unbearable to hear

見るに堪えない

みるにたえない

so miserable that it is painful to look at, can't bear to look at, painful to watch

笑うに笑えない

わらうにわらえない

being unable to laugh (at a funny but serious situation); forced to hold back laughter

遺伝子組み換えでない

いでんしくみかえでない

non-genetically modified; not genetically modified; non-GM; non-GMO

見えにくい

みえにくい

hard to see, obscured

考えにくい

かんがえにくい

difficult to imagine, quite unlikely to, very doubtful, would not expect

さえに

furthermore, and another thing, even as

ゆえに 　（∴）

ゆえに （∴）

consequently

に加え

にくわえ

in addition