rusty
US /ˈrʌs.ti/
UK /ˈrʌs.ti/

1.
2.
녹슨, 실력이 떨어진
not as good as it used to be, because you have not been practicing
:
•
My French is a bit rusty, but I can still understand most of it.
내 프랑스어는 좀 녹슬었지만, 대부분은 아직 이해할 수 있어.
•
After years of not playing, his piano skills were a bit rusty.
몇 년 동안 연주하지 않아서 그의 피아노 실력은 좀 녹슬었다.