彼は病弱なので心配だ。

彼は病弱なので心配だ。

I am concerned about his poor health.

彼(かれ)は病弱(びょうじゃく)なので心配(しんぱい)だ。

Kare wa byōjakuna node shinpai da.

彼 (かれ)

he; him; his; boyfriend

は (は)

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

病弱 (びょうじゃく)

weak constitution

ので (ので、んで)

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

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: ヒ、かれ、かの、か.の

Meanings: he, that, the

Readings: ビョウ、ヘイ、や.む、 -や.み、やまい

Meanings: ill, sick

Readings: ジャク、よわ.い、よわ.る、よわ.まる、よわ.める

Meanings: weak, frail

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