Their company's affairs are a mess; you'd better not get mixed up in them.
Tips
usage
Figuratively 浑水 is a murky situation. 趟浑水, also written 蹚浑水, 'to wade into muddy water' means getting involved in someone else's trouble, and 浑水摸鱼 'to fish in muddy water' means profiting from the confusion.
