Definition: If a skill you had is now rusty, it is no longer good because you have forgotten it. Level: B2
我的德语相当生疏了，因为我好几年没练习了。
My German is quite ___rusty since I haven't practiced in years.
我的莫尔斯电码有点生疏了，需要复习一下那些信号。
I'm a bit ___rusty with Morse code and need to review the signals.
休息了整个冬天后，他的网球技术生疏了。
His tennis skills are ___rusty after taking the whole winter off.
