What is easy to get into but hard to get out of?(猜谜语)

问题描述:

What is easy to get into but hard to get out of?(猜谜语)

trouble
get into trouble = 陷入困境,惹上麻烦
get out of trouble = 脱困
答案的意思就是,惹麻烦上身很容易,可是脱困就难了.