idioms using “light”

Light a fire under

To cause to take action quickly

“The sales manager is calling a meeting to light a fire under the sales team.”

Begin to see the light

To understand something after having been confused for a long time

“Though she thought she’d never understand algebra, Shoko-san began to see the light today.”

Light up like a Christmas tree

To beam with happiness (give a big smile)

“When Hoshino-san found out she had won the “best new vocalist” award, she lit up like a Christmas tree.”

Make light of (something)

To dismiss something as unimportant

“The new employee tried to make light of the fact that she was late to arrive at the office almost half of the time. ”

Come to light

To become discovered or known

“After the famous author’s plagiarism came to light, his publisher cancelled his contract for the next book.”