expression, ichidan verb
show on one's face; be written all over one's face
Used when an emotion, feeling, or thought becomes apparent through facial expression, often involuntarily.
彼は怒りが顔に出やすい。
His anger easily shows on his face.
嬉しさが顔に出てしまった。
My happiness showed on my face.
Standard kanji spelling for this expression.
Kana spelling is sometimes used in casual writing or for emphasis.
Phrase composed of 顔 (face) + に (particle) + 出る (to appear). The meaning is transparent from its components.