She is a leading light in the field of modern physics.
leading light
idiomAn acclaimed expert, one of the foremost experts, a luminary.
As a leading light in the local arts community, he organizes many events to help young painters.
The university invited the leading light of environmental science to deliver a keynote address regarding the future of global sustainability.
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amber light
Hesitance to proceed; limited approval or permission to proceed.
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blind leading the blind
A situation in which an unqualified person is attempting to guide, advise, or train others.
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bring to light
To expose, disclose or reveal something that was hidden or unknown.
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come to light
To become known; to be revealed.
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false light
A point of view resulting in a misleading or inaccurate representation of a person, situation, or fact.
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give a light
To care.
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green light
Approval, or permission to proceed.
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hide one's light under a bushel
To conceal one's positive qualities or talents, especially due to modesty or shyness; to avoid attention.