私は彼女が黙っているのでいっそう心配だった。

I was all the more worried for her silence.

私(わたし)は彼女(かのじょ)が黙(だま)っているのでいっそう心配(しんぱい)だった。

Watashi wa kanojo ga damatteiru node issō shinpai datta.

私 (わたし、わたくし)

I; me; private affairs; personal matter; secrecy; selfishness

は (は)

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

彼女 (かのじょ)

she; her; her; girlfriend; sweetheart

が (が)

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

黙る (だまる)

to be silent

ので (ので、んで)

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

一層 (いっそう)

much more; still more; all the more; more than ever; single layer (or storey, etc.); rather; sooner; preferably

心配 (しんぱい)

worry; concern; anxiety; care; help; aid; assistance

だ (だ)

be; is; indicates past or completed action; indicates light imperative

Readings: シ、わたくし、わたし

Meanings: private, I, me

Readings: ヒ、かれ、かの、か.の

Meanings: he, that, the

Readings: ジョ、ニョ、ニョウ、おんな、め

Meanings: woman, female

Readings: モク、ボク、だま.る、もだ.す

Meanings: silence, become silent, stop speaking, leave as is

Readings: シン、こころ、 -ごころ

Meanings: heart, mind, spirit, heart radical (no. 61)

Readings: ハイ、くば.る

Meanings: distribute, spouse, exile, rationing