unprovoked
adj
ˌʌnprəˈvəʊkt◄
adj
1
unprovoked
anger,
attacks
etc
are
directed
at
someone
who
has
not
done
anything
to
deserve
them
〔愤怒、攻击等〕无端的，无缘无故的
It
was
a
totally
unprovoked
attack
on
an
innocent
man.
那完全是对一名无辜男子的无端袭击。