the naughty boy followed the teacher without being noticed [walked] the way [in which] the teacher did.
顽皮男童跟随了老师,不用被注意走了的方式用老师.
the naughty boy followed the teacher without being noticed ,[walking]the way the teacher did.
顽皮男童跟随了老师,不用被注意,走老师的方式.
the naughty boy followed the teacher without being noticed ,[was walking] the way [that] the teacher did.顽皮男童跟随了老师,不用被注意,走老师的方法.
the naughty boy followed the teacher without being noticed ,[had walked] the way [in which] the teacher did.
顽皮男童其次是教师,没有被人关注,已经走过的路,其中教师做.