2var/a v (acc) (-aði)
1. (gefa aðvörun) warn
~~ e-n við e-u
warn sby of sth
~~ sig
be careful, watch out
~~ sig á e-u
be on one's guard against sth
~aðu þig!
be careful! take care! look out!
~~st að gera e-ð
take care/be careful not to do sth