あなたがとても恋しい。

あなたがとても恋しい。

I miss you so much.

あなたがとても恋(こい)しい。

Anata ga totemo koishii.

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

迚も (とても、とっても)

very; awfully; exceedingly; (not) at all; by no means; simply (cannot)

恋しい (こいしい)

yearned for; longed for; missed

Readings: レン、こ.う、こい、こい.しい

Meanings: romance, in love, yearn for, miss, darling