cast/shed/throw light on something
cast (some) light on (something)
To reveal information or details about something; to clarify or help people understand something. We've hired a private investigator to help cast light on the clandestine dealings of the baron. These documents we've uncovered cast some light on how the late author's final book was meant to end.
shed (some) light on (something)
To reveal information or details about something; to clarify or help people understand something. We've hired a private investigator to help shed light on the clandestine dealings of the organization. These documents we've uncovered shed some light on how the late author's final book was meant to end.
throw (some) light on (something)
To reveal information or details about something; to clarify or help people understand something. We've hired a private investigator to help throw light on the clandestine dealings of the baron. These documents we've uncovered throw some light on how the late author's final book was meant to end.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
shed light on something
If something sheds light on a situation, it makes it easier to understand. Is there anything that Moira said that might shed some light on what happened? Note: Cast or throw are sometimes used instead of shed. Perhaps the brothers could cast light on that mystery.
Collins COBUILD Idioms Dictionary, 3rd ed. © HarperCollins Publishers 2012
cast/shed/throw (new) ˈlight on something
make a problem, etc. easier to understand: This book sheds new light on the role of the CIA. ♢ ‘Can you throw any light on the matter?’Farlex Partner Idioms Dictionary © Farlex 2017