Tā mùguāng jiǒngjiǒng, yì yǎn jiù kànchuān le duìfāng de xīnsi.
His gaze was piercing, and he saw through the other man's intentions at a glance.
Tips
usage
Said only of eyes and gaze: 目光炯炯 'eyes bright and piercing', 炯炯有神 'bright and full of spirit', often in descriptions of energetic old people and heroes.