娘はやっと１５歳です。

娘はやっと１５歳です。

My daughter is barely fifteen.

娘(むすめ)はやっと１５歳(さい)です。

Musume wa yatto ichi go sai desu.

娘 (むすめ)

(my) daughter; girl (i.e. a young, unmarried woman)

は (は)

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

やっと (やっと)

at last; at length; barely; narrowly; just; by the skin of one's teeth

一 (いち)

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

五 (ご、いつ、い)

five

歳 (さい)

-years-old; ability; gift; talent; aptitude; genius

です (です)

be; is

Readings: ジョウ、むすめ、こ

Meanings: daughter, girl

Readings: サイ、セイ、とし、とせ、よわい

Meanings: year-end, age, occasion, opportunity