Rattlesnakes have an exceptionally keen sense of smell. He has remarkably keen vision and hearing. Dwight developed a keen and enduring interest in exploring the outdoors. Others keen to profit soon joined in. Potter responded saying he was very keen on the fight. He also claimed that she was a former lover of Tom Keen. One person who took a keen interest was actress Madge Kendal. He was a keen and expert marksman. Jackman has shown keen interest in sport. Her reputation was primarily as a keen businesswoman. Its eyes are oval with a keen, alert, and intelligent expression. She met with Elizabeth Keen, whom Red had said was a career thief. Poe had a keen interest in cryptography. He also asserts there are mathematical flaws in the model Keen proposes. "So keen and greedy to confound a man".