We should obey the law.
Hōritsu ni wa, shitagau beki da.
at (place, time); in; on; during; to (direction, state); toward; into; for (purpose); because of (reason); for; with; by; from; as (i.e. in the role of); per; in; for; a (e.g. "once a month"); and; in addition to; if; although
topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
to abide (by the rules); to obey; to follow; to accompany
shall; should; must
be; is; indicates past or completed action; indicates light imperative