detect in

detect (something) in (something)

To distinguish the presence of something in something else, typically something that is being masked or is present in only a small quantity. Do I detect sarcasm in that statement, Jane? I think I detect a pinch of cinnamon in this, but I could be wrong.
See also: detect
Farlex Dictionary of Idioms.

detect something in something

to recognize or identify something in something. Can you detect the anger in her voice? I detect a bit of sarcasm in your comments.
See also: detect
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • a straw will show which way the wind blows
  • a/the feel of (something)
  • (I) wouldn't (do something) if I were you
  • a crack at (someone or something)
  • all right
  • (you) wanna make something of it?
  • all for the best
  • a thing of the past
  • a slew of (something)
  • a bird in the hand