ジョンは夜中まで起きている習慣である。

ジョンは夜中まで起きている習慣である。

John is in the habit of staying up until midnight.

ジョンは夜中(やちゅう)まで起(お)きている習慣(しゅうかん)である。

Jon wa yachū made okiteiru shūkan de aru.

は (は)

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

夜中 (やちゅう)

during the night; at night

迄 (まで)

until (a time); till; to; up to; to (a place); as far as; to (an extent); up to; so far as; even; only; merely

起きる (おきる)

to get up; to rise; to blaze up (fire); to wake up; to be awake; to stay awake; to occur (usu. of unfavourable incidents); to happen; to take place

習慣 (しゅうかん)

habit; custom; cultural practice

だ (だ)

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

或 (ある)

a certain ...; some ...

Readings: ヤ、よ、よる

Meanings: night, evening

Readings: チュウ、なか、うち、あた.る

Meanings: in, inside, middle, mean, center

Readings: キ、お.きる、お.こる、お.こす、おこ.す、た.つ

Meanings: rouse, wake up, get up

Readings: シュウ、ジュ、なら.う、なら.い

Meaning: learn

Readings: カン、な.れる、な.らす

Meanings: accustomed, get used to, become experienced