noci

Ili ne intencis noci.

They didn't mean any harm.

Drinki kun malplena stomako nocas la sanon.

Drinking on an empty stomach is bad for your health.

Tro da ekzerco pli nocas ol bonfartas.

Too much exercise does more harm than good.

Estas memkompreneble, ke fumado nocas la sanon.

It goes without saying that smoking is bad for the health.

Fumado nocas la sanon.

Smoking is bad for your health.

Iuj libroj, se senzorge legitaj, pli nocas ol profitdonas.

Some books, if read carelessly, will do more harm than good.

Tiu incidento nocis lian reputacion.

That incident harmed his reputation.