Как по Английски будет 자동으로

adverb

(with reference to a device or process) by itself with little or no direct human control.

Примеры использования:

The kettle automatically switched off when it boiled

In a mechanical manner; by a mechanism

adverb

In an autoptic manner; through or by actual inspection or personal observation.

verb

Of an animal: to cast off (a limb or other part), typically following a disturbance or attack.