ull

In a sentence

• Vaig veure alguna cosa brillant amb l'ull esquerre.

  I saw something shiny with my left eye.

  Here, 'ull' refers to the physical organ of sight, specifically the left eye, used for observing.

• Luís sempre té un ull per als detalls.

  Luís always has an eye for detail.

  In this sentence, 'ull' metaphorically represents the ability to notice or appreciate details.

• Vaig posar l'ull al pany per veure què passava.

  I put my eye to the keyhole to see what was happening.

  Here, 'ull' is used in a literal sense to indicate the action of bringing one's organ of sight near the keyhole for observation.