shadows

1.

bóng tối

a dark area or shape produced by a body coming between rays of light and a surface.

:
trees cast long shadows
2.

bóng tối

used in reference to proximity, ominous oppressiveness, or sadness and gloom.

:
the shadow of war fell across Europe
1.

bóng tối

envelop in shadow; cast a shadow over.

:
the market is shadowed by St Margaret's church
2.

bóng tối

follow and observe (someone) closely and secretly.

:
he had been up all night shadowing a team of poachers