rusty
🇺🇸
/ˈrʌsti/
🇬🇧
/ˈrʌsti/
covered in rust, which is a reddish-brown coating that forms on iron or steel when it gets wet
The rusty old bicycle had been left outside in the rain for years.
その錆びた古い自転車は何年も外の雨の中に置かれていた。
not as skilled as before because of not practicing for a long time
After not playing for months, my piano skills are quite rusty.
数ヶ月弾いていないので、私のピアノの腕前はかなり鈍っている。