The phrase "penetrating eyne" can be interpreted as having intense and penetrating eyes. Some synonyms for this phrase include piercing gaze, penetrating stare, intense look, probing eyes, and searching glance. These words convey deep scrutiny and perception, suggesting that the person is observant and perceptive. Other related synonyms include eagle-eyed, sharp-eyed, keen-eyed, and watchful, which all imply that one has an acute ability to observe and notice the subtle details. In summary, these phrases illustrate powerful and captivating eyes that can sharply and deeply perceive the world around them.