一日中立ちっぱなしだったのでくたくただ。

I'm worn out, because I've been standing all day.

一(いち)日中(にちちゅう)立(た)ちっぱなしだったのでくたくただ。

Ichi nichichū tachippanashi datta node kutakuta da.

一 (いち)

one; best; first; foremost; beginning; start; bottom string (on a shamisen, etc.)

日中 (にっちゅう、ひなか)

daytime; during the day; Sino-Japanese

立ちっぱなし (たちっぱなし)

stand on one's feet for a long time

だ (だ)

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

ので (ので、んで)

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

くたくた (くたくた、ぐたぐた、ぐだぐだ)

exhausted; tired; withered; worn out; boiling until shapeless or mushy; tediously; repetitively; wordily

Readings: イチ、イツ、ひと-、ひと.つ

Meanings: one, one radical (no.1)

Readings: ニチ、ジツ、ひ、 -び、 -か

Meanings: day, sun, Japan, counter for days

Readings: チュウ、なか、うち、あた.る

Meanings: in, inside, middle, mean, center

Readings: リツ、リュウ、リットル、た.つ、 -た.つ、た.ち-、た.てる、 -た.てる、た.て-、たて-、 -た.て、 -だ.て、 -だ.てる

Meanings: stand up, rise, set up, erect