日ひ焼やけ跡あと

noun

tan line; tan lines

Refers to the visible mark or line left on the skin after sunburn or suntan, often from clothing or swimwear.

• 海うみに行いったら、水みず着ぎの日ひ焼やけ跡あとがくっきり残のこった。

  After going to the beach, I had clear tan lines from my swimsuit.

• 日ひ焼やけ跡あとが恥はずかしくて、肩かたが出だせない。

  I'm embarrassed by my tan lines and can't show my shoulders.