眼尖 (yǎn jiān) — sharp-eyed, observant (colloquial)

Definition

Examples

• 他眼尖，一下子就看到了那只鸟。
  Tā yǎn jiān, yí xià zi jiù kàn dào le nà zhī niǎo.
  He is sharp-eyed; he spotted that bird right away.
• 她眼很尖，连那么小的变化都发现了。
  Tā yǎn hěn jiān, lián nà me xiǎo de biàn huà dōu fā xiàn le.
  She is very observant; she even noticed such a small change.
• 你眼尖，帮我看看这个字对吗？
  Nǐ yǎn jiān, bāng wǒ kàn kàn zhè ge zì duì ma?
  You have sharp eyes — help me check if this character is correct.

Origin