He peered into the dark tunnel, eyes wide.
Meaning: He looked carefully into the dark passageway with his eyes open wide.
Choice of Words: Peered means to look closely or intently at something, often with narrowed eyes. Dark means the absence of light or the presence of very little light. Tunnel is an underground passageway, often used for transportation. Eyes are the organs of sight in humans and many animals. Wide means large in extent or scope.
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Related Expressions