see through

/ˈsiːˌθruː/
adjective
  1. Transparent or very thin, allowing light and objects to be seen from the other side.
    • She wore a see-through blouse over a tank top.
    • The new office walls are made of see-through glass.
    • The curtains are so thin they are almost see-through.
  2. Very obvious or easy to detect; not convincing.
    • The company's attempt to hide the problem was see-through to everyone.
    • Her see-through flattery didn't fool anyone.
    • His excuse for being late was completely see-through.
Antonyms
What does "see through" mean? | whatsthatwordmean | whatsthatwordmean