Annotation:
In this case, "get lost" means to "go away" (quit bothering me).
Google: idiom get lost
https://www.google.co.jp/search?q=idiom+get+lost
Annotation:
In this case, "get lost" means to "go away" (quit bothering me).
Google: idiom get lost
https://www.google.co.jp/search?q=idiom+get+lost