Pronunciation: /ˈmaɪkroʊ ɪkˈsprɛʃən/
noun a small or subtle expression that is difficult to detect without close observation
A1 A micro expression is a brief facial expression that reveals a person's true emotions.
A2 It can be difficult to detect micro expressions because they happen so quickly.
B1 Studying micro expressions can help in understanding nonverbal communication cues.
B2 Detecting micro expressions accurately requires training and practice.
C1 Experts in body language can interpret micro expressions with a high level of accuracy.
C2 Micro expressions are subconscious facial movements that can betray a person's hidden feelings.
formal The psychologist was able to detect the suspect's guilt through his micro expressions.
informal I can always tell when my sister is lying because of her micro expressions.
slang Dude, did you see the micro expression on his face when he got caught?
figurative Her eyes betrayed a micro expression of sadness before she quickly composed herself.
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