歯がとても痛みます。

歯がとても痛みます。

I have a bad toothache.

歯(は)がとても痛(いた)みます。

Ha ga totemo itamimasu.

歯 (は)

tooth

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)

痛む (いたむ)

to hurt; to feel a pain; to be injured; to be spoiled (e.g. food)

Readings: シ、よわい、は、よわ.い、よわい.する

Meanings: tooth, cog

Readings: ツウ、いた.い、いた.む、いた.ましい、いた.める

Meanings: pain, hurt, damage, bruise