Idiom loop - start from their own back on her own

- idioms loop 
the SET  STATISTICS the TIME the ON  
the SET  STATISTICS the IO the ON  
the GO  
the WITH cte_a
 the AS ( the SELECT  [ idiom ] ,
            the CAST ( [ idiom ]  the AS  NVARCHAR ( MAX )) the AS the cpath,
            [ FirstWord ] ,
            [ LastWord ] ,
            . 1  the AS the ilevel,
            0  the AS isrecycle
     the FROMdbo.cyzd
     the WHERE phrase =  ' nation is ' 
    the UNION  ALL 
    the SELECT S. idiom,
            the CAST (p.cpath +  ' / '  + S. [ idiom ]  the AS  NVARCHAR ( MAX )) the AS the cpath, 
           S. [ FirstWord ] , 
           S . [ LastWord ] , 
           p.ilevel +  . 1  the AS the ilevel,
            the CASE 
               the WHEN S. idiom ='国将不国' THEN
                   1
               ELSE
                   0
           END AS isrecycle
    FROM dbo.cyzd AS s
        INNER JOIN cte_a AS p
            ON p.lastword = s.firstword
    WHERE p.ilevel + 1 <= 10
          AND CHARINDEX(s.成语, p.cpath) IN ( 0, 1 )
          AND p.isrecycle = 0)
SELECT *
FROM cte_a
WHERE cte_a.isrecycle = 1;