国民は法律に服さなければならない。
Citizens must abide by the law.
godan verb (-su), intransitive verb
serve (a sentence, in the army, etc.)
Used for serving a term, such as a prison sentence or military service. Often takes に.
彼は懲役に服している。
He is serving a prison sentence.
若者は兵役に服した。
The young man served in the military.
godan verb (-su), intransitive verb
go into mourning; observe mourning
Used specifically for observing a mourning period. Often takes に.
彼女は喪に服している。
She is in mourning.
godan verb (-su), transitive verb
take (medicine, poison); drink (tea)
Used for ingesting something, especially medicine or poison. Can also be used for drinking tea in a formal or literary context. Transitive use.
彼は毒を服した。
He took poison.
食後に薬を服してください。
Please take the medicine after meals.