rusty

Sắt rỉ sét

covered with rust, which is a reddish-brown substance that forms on metal when it gets wet or old

Collocations rusty nail · rusty car

• The old bike was rusty and needed a lot of work.

  Cỗ xe đạp cũ đã bị rỉ sét và cần phải sửa chữa nhiều.

Chưa quen tay, vụng về

not skilled or practised at doing something, because you have not done it for a long time

Collocations rusty at something · get rusty

• I'm a bit rusty at playing the piano.

  Tôi hơi vụng về khi chơi đàn piano.