あの夫婦は相性が悪い。

あの夫婦は相性が悪い。

They are not a well-matched couple.

あの夫婦(ふうふ)は相性(あいしょう)が悪(わる)い。

Ano fūfu wa aishō ga warui.

彼の (あの、かの)

that (someone or something distant from both speaker and listener, or situation unfamiliar to both speaker and listener)

夫婦 (ふうふ、めおと、みょうと)

married couple; spouses; husband and wife; couple; pair; his and hers; pair of objects, one larger (for man), one smaller (for woman)

は (は)

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

相性 (あいしょう)

affinity; compatibility

が (が)

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

悪い (わるい)

bad; poor; inferior; evil; sinful; unprofitable; unbeneficial; at fault; to blame; in the wrong; sorry

Readings: フ、フウ、ブ、おっと、それ

Meanings: husband, man

Readings: フ、よめ

Meanings: lady, woman, wife, bride

Readings: ソウ、ショウ、あい-

Meanings: inter-, mutual, together, each other, minister of state, councillor, aspect, phase, physiognomy

Readings: セイ、ショウ、さが

Meanings: sex, gender, nature

Readings: アク、オ、わる.い、わる-、あ.し、にく.い、 -にく.い、ああ、いずくに、いずくんぞ、にく.む

Meanings: bad, vice, rascal, false, evil, wrong