They've been trying to work/get the 'bugs' out of the system. [=trying to fix the system's problems]
He was first bitten by 'the' acting 'bug' [=he first became interested in acting] when he was 18.
Her legs were covered in 'bug' bites. [=itchy or painful wounds from insects]
(..) Sweet dreams, big boy. Sweet dreams... ...big boy. Transit authority. Move to the forward car. We got a bug in the electrical system. People! We got a bug in the electrical system! Now y'all running? No, no, no! Sit down! It's only a -foot worm. (..)2002 Men in Black II
(..) Sweet dreams, big boy. Sweet dreams... ...big boy. Transit authority. Move to the forward car. We got a bug in the electrical system. People! We got a bug in the electrical system! Now y'all running? No, no, no! Sit down! It's only a -foot worm. (..)2002 Men in Black II