遅くまで起きていてはいけない。

遅くまで起きていてはいけない。

Don't sit up till late.

遅(おそ)くまで起(お)きていてはいけない。

Osoku made okiteite waikenai.

遅い (おそい)

slow; late (e.g. "late at night"); too late; dull; stupid

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

ば (ば)

if ... then; when; and; why don't you...?; the more (one does something); because; since

Readings: チ、おく.れる、おく.らす、おそ.い

Meanings: slow, late, back, later

Readings: キ、お.きる、お.こる、お.こす、おこ.す、た.つ

Meanings: rouse, wake up, get up