パーティーが待ち遠しくて仕方ない。

ぱーてぃーが待ち遠しくて仕方ない。

I just can't wait for the party.

パーティーが待(ま)ち遠(どお)しくて仕方(しかた)ない。

Pa-thi- ga machidōshikute shikatanai.

パーティ (パーティ、パーティー)

party

が (が)

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

待ち遠しい (まちどおしい)

looking forward to; anxiously awaited

仕方 (しかた)

way; method; means; resource; course

Readings: タイ、ま.つ、 -ま.ち

Meanings: wait, depend on

Readings: エン、オン、とお.い

Meanings: distant, far

Readings: シ、ジ、つか.える

Meanings: attend, doing, official, serve

Readings: ホウ、かた、 -かた、 -がた

Meanings: direction, person, alternative