彼はとても怒ったので、ものが言えなかった。

He was so angry as to be unable to speak.

彼(かれ)はとても怒(おこ)ったので、ものが言(い)えなかった。

Kare wa totemo okotta node, mono ga ienakatta.

彼 (かれ)

he; him; his; boyfriend

は (は)

topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis

迚も (とても、とっても)

very; awfully; exceedingly; (not) at all; by no means; simply (cannot)

怒る (おこる、いかる)

to get angry; to get mad; to tell someone off; to scold; to be angular; to be square

ので (ので、んで)

that being the case; because of ...; the reason is ....; given that...

者 (もの、もん)

person

が (が)

indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and

言える (いえる)

to be possible to say; to be able to say

Readings: ヒ、かれ、かの、か.の

Meanings: he, that, the

Readings: ド、ヌ、いか.る、おこ.る

Meanings: angry, be offended

Readings: ゲン、ゴン、い.う、こと

Meanings: say, word