が浮かんだ

appeared

→ が
phrase Uncommon #10,506
appeared Used when a light, expression, tear, or similar thing appears on someone’s face or in their eyes.
JA: 彼女の口元に微笑みが浮かんだ。
EN: A smile appeared at the corners of her mouth.

彼の目に強欲な光が浮かんだ。

A greedy gleam appeared in his eyes.

彼女の顔に突然微笑が浮かんだ。

A smile suddenly appeared on her face.

祖国の旗を見ると彼は目に涙が浮かんだ。

Tears welled up in his eyes when he saw his country's flag.