あなたが頼めば、彼女はやってくるでしょう。

She will come if you ask her.

あなたが頼(たの)めば、彼女(かのじょ)はやってくるでしょう。

Anata ga tanomeba, kanojo wa yattekuru deshō.

貴方 (あなた)

you (referring to someone of equal or lower status); dear (what a wife calls a husband)

が (が)

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

頼む (たのむ)

to request; to beg; to ask; to call; to order; to reserve; to entrust to; to rely on

彼女 (かのじょ)

she; her; her; girlfriend; sweetheart

は (は)

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

やって来る (やってくる)

to come along; to come around; to turn up; to arrive at the present; to get where one is; to have been doing something (for a period of time)

デス (デス)

death

Readings: ライ、たの.む、たの.もしい、たよ.る

Meanings: trust, request

Readings: ヒ、かれ、かの、か.の

Meanings: he, that, the

Readings: ジョ、ニョ、ニョウ、おんな、め

Meanings: woman, female