be written all over your face

be written all over (one's) face

Of one's emotions or inner thoughts, to be evident by one's facial expression. Jenny said she wasn't scared before we went into the haunted house, but terror was written all over her face. John said nothing, but his response was written all over his face.
See also: all, face, over, written
Farlex Dictionary of Idioms.

be (or have something) written all over your face

used to convey that the presence of a particular quality or feeling is clearly revealed by a person's expression. informal
See also: all, face, over, written
Farlex Partner Idioms Dictionary
See also:
  • be written all over (one's) face
  • be written all over somebody's face
  • at the back of (one's) mind
  • at the back of your mind
  • at (one's) doorstep
  • at doorstep
  • at expense
  • at somebody's expense
  • at someone's expense
  • at (one's) expense