祖母は私より歩くし、私よりテニスがうまい。

My grandmother walks faster than me, and plays tennis better than I do.

祖母(そぼ)は私(わたし)より歩(ある)くし、私(わたし)よりテニスがうまい。

Sobo wa watashi yori aruku shi, watashi yori tenisu ga umai.

祖母 (そぼ、ばば、おおば、おば、うば)

grandmother

は (は)

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

私 (わたし、わたくし)

I; me; private affairs; personal matter; secrecy; selfishness

より (より)

than; from; out of; since; at; on; except; but; other than; more

歩く (あるく)

to walk

し (し)

(at the end of a phrase) notes one (of several) reasons

テニス (テニス)

tennis

が (が)

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

上手い (うまい)

skillful; skilful; clever; expert; wise; successful; delicious; appetizing; appetising; tasty; fortunate; splendid; promising

Reading: ソ

Meanings: ancestor, pioneer, founder

Readings: ボ、はは、も

Meaning: mother

Readings: シ、わたくし、わたし

Meanings: private, I, me

Readings: ホ、ブ、フ、ある.く、あゆ.む

Meanings: walk, counter for steps