事故が起こるといけないので、ゆっくり運転してください。

For fear of accidents, please drive slowly.

事故(じこ)が起(お)こるといけないので、ゆっくり運転(うんてん)してください。

Jiko ga okoru toikenai node, yukkuri untenshite kudasai.

事故 (じこ、ことゆえ)

accident; incident; trouble; circumstances; reasons

が (が)

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

起こる (おこる)

to occur; to happen

と (と)

if; when; and; with; particle used for quoting (with speech, thoughts, etc.); quoting particle; promoted pawn; indicates question (sentence end)

ので (ので、んで)

that being the case; because of ...; the reason is ....; given that...

ゆっくり (ゆっくり)

slowly; at ease; restful

運転 (うんてん)

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

下さる (くださる)

to give; to confer; to bestow; to kindly do for one; to oblige; to favour; to favor

Readings: ジ、ズ、こと、つか.う、つか.える

Meanings: matter, thing, fact, business, reason, possibly

Readings: コ、ゆえ、ふる.い、もと

Meanings: happenstance, especially, intentionally, reason, cause, circumstances, the late, therefore, consequently

Readings: キ、お.きる、お.こる、お.こす、おこ.す、た.つ

Meanings: rouse, wake up, get up

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