笑顔

1. Origins, structure, and basic meaning

• Structure: Written 笑顔 and read えがお, it is a smiling facial expression that conveys happiness or warmth.
• Basic usage: It eases fatigue when seen on a child and accompanies a friendly welcome to a guest.

2. Common pitfalls and similar expressions

• Expression rather than laughter
  • The focus is the look on the face, not the sound or act of laughing aloud.