今夜は気分が最高だ。

今夜は気分が最高だ。

I feel first-class tonight.

今夜(こんや)は気分(きぶん)が最高(さいこう)だ。

Kon'ya wa kibun ga saikō da.

今夜 (こんや)

this evening; tonight

は (は)

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

気分 (きぶん)

feeling; mood

が (が)

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

最高 (さいこう)

highest; supreme; the most

だ (だ)

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

Readings: コン、キン、いま

Meaning: now

Readings: ヤ、よ、よる

Meanings: night, evening

Readings: キ、ケ、いき

Meanings: spirit, mind, air, atmosphere, mood

Readings: ブン、フン、ブ、わ.ける、わ.け、わ.かれる、わ.かる、わ.かつ

Meanings: part, minute of time, segment, share, degree, one's lot, duty, understand, know, rate, 1%, chances, shaku/100

Readings: サイ、シュ、もっと.も、つま

Meanings: utmost, most, extreme

Readings: コウ、たか.い、たか、 -だか、たか.まる、たか.める

Meanings: tall, high, expensive