Have been in the wars
Definition 1 of 1
Pro Tip 1/3Figurative Use
The phrase is often figurative, not implying real wars but personal struggles or mishaps. 
After the hectic move, she mentioned she felt like she'd been in the wars.
Pro Tip 2/3Injury or Trouble
It may refer to visible injuries or suggest recent troubles without specifics. 
With that bandaged hand, you look like you've been in the wars.
Pro Tip 3/3Sympathetic Tone
The phrase can express sympathy for someone who has gone through tough times. 
Oh dear, you've been in the wars, haven't you? Let me help.