彼は国語が好きだし得意だ。

彼は国語が好きだし得意だ。

He likes Japanese, and he's good at it.

彼(かれ)は国語(こくご)が好(す)きだし得意(とくい)だ。

Kare wa kokugo ga suki da shi tokui da.

彼 (かれ)

he; him; his; boyfriend

は (は)

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

国語 (こくご)

national language; Japanese language (often as a school subject in Japan); native Japanese words (as opposed to loanwords)

が (が)

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

好き (すき)

liking; fondness; love

だ (だ)

be; is; indicates past or completed action; indicates light imperative

し (し)

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

得意 (とくい)

triumph; prosperity; pride; one's strong point; one's forte; one's specialty; frequent customer (client, etc.)

Readings: ヒ、かれ、かの、か.の

Meanings: he, that, the

Readings: コク、くに

Meaning: country

Readings: ゴ、かた.る、かた.らう

Meanings: word, speech, language

Readings: コウ、この.む、す.く、よ.い、い.い

Meanings: fond, pleasing, like something

Readings: トク、え.る、う.る

Meanings: gain, get, find, earn, acquire, can, may, able to, profit, advantage, benefit

Reading: イ

Meanings: idea, mind, heart, taste, thought, desire, care, liking