expression, godan verb (-su)
cast a shadow; appear (of a shadow)
Literal sense: a shadow falls or appears on a surface. Often used with ～に.
夕日で木の影が地面に差した。
The tree cast a shadow on the ground in the evening sun.
窓に人の影が
I saw a person's shadow appear on the window.
expression, godan verb (-su)
loom (of a threat); manifest (of symptoms)
Figurative sense: something negative or ominous appears or begins to show, like a threat, anxiety, or symptom. Often used with ～に.
彼の心に不安の影が差した。
A shadow of anxiety loomed in his heart.
景気後退の影が差し始めた。
The shadow of a recession began to loom.