once
for a short time, briefly, temporarily
The adverb
Functions as an adverb to show that an action is done temporarily or paused for the present time, often with the implication that the original state or a different action will resume later.
I will stop the car temporarily.
荷物を
I will put the luggage down for a moment.
Used to mean once, typically followed by a conditional verb form such as ~たら or ~と. It emphasizes that once a threshold is crossed or an action is initiated, a specific result follows.
Once I decide, I do not change it.
Once you go outside, you cannot return.
Because