速かろうがゆっくりであろうが、注意して運転しなさい。

Whether you drive fast or slow, drive carefully.

速(はや)かろうがゆっくりであろうが、注意(ちゅうい)して運転(うんてん)しなさい。

Hayakarou ga yukkuri de arou ga, chūishite untenshi nasai.

早い (はやい)

fast; quick; hasty; brisk; early (in the day, etc.); premature; (too) soon; not yet; (too) early; easy; simple; quick

が (が)

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

ゆっくり (ゆっくり)

slowly; at ease; restful

だ (だ)

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

或 (ある)

a certain ...; some ...

注意 (ちゅうい)

caution; being careful; attention (heed); warning; advice

運転 (うんてん)

operation (of a machine, etc.); operating; running; run; driving; working (capital, etc.)

為さる (なさる)

to do

Readings: ソク、はや.い、はや-、はや.める、すみ.やか

Meanings: quick, fast

Readings: チュウ、そそ.ぐ、さ.す、つ.ぐ

Meanings: pour, irrigate, shed (tears), flow into, concentrate on, notes, comment, annotate

Reading: イ

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

Readings: ウン、はこ.ぶ

Meanings: carry, luck, destiny, fate, lot, transport, progress, advance

Readings: テン、ころ.がる、ころ.げる、ころ.がす、ころ.ぶ、まろ.ぶ、うたた、うつ.る、くる.めく

Meanings: revolve, turn around, change