से डरते हैं

are afraid of

→ से
phrase Rare #7,101
are afraid of से marks the thing someone is afraid of. The form changes to match the subject and tense, such as डरती है or डरता था.
HI: बच्चे अंधेरे से डरते हैं।
EN: The children are afraid of the dark.

वे हम से डरते हैं।

They are afraid of us.

क्या अंधेरे से डरते हैं?

Are you afraid of the dark?

— రాజా ది గ్రేట్ (2017)

वे टॉम से डरते हैं।

They are afraid of Tom.