Kokoro, by Natsume Soseki (paragraph #749)

先生の口元には微笑の影が見えた。

translation

A smile could be seen on the teacher's lips.

kanji (pronunciations & definitions)
先生: teacher (せんせい), instructor, master, sensei, title or form of address for a teacher, master, doctor, lawyer, etc. 口元: mouth (くちもと), lips, shape of the mouth, near an entrance, vicinity of an entrance 微笑: smile (びしょう) : shadow (かげ), silhouette, figure, shape, reflection

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