shadow

SHADOW noun

[ C,U ] uk/ˈʃædəʊ/ us
B1 a dark area made by something that is stopping the light

тень (от предмета)
The tree had cast (= made) a long shadow .Идиомыbeyond/without a shadow of a doubtcast a shadow over sth
shadow verb [ T ] uk/ˈʃædəʊ/ us
to follow someone secretly in order to see where they go and what they do

тайно следить
[ often passive ] He was being shadow ed by a private detective.