-ish  
suffix uk/ -ɪʃ/ us/ -ɪʃ/
  (FROM PLACE)      
  (构成形容词和名词)…国(的),…民族(的),…语言(的)
used to form adjectives and nouns that say what country or area a person, thing, or language comes from
  Spanish dancing 西班牙舞蹈 
 Are you English? 你是英格兰人吗? 
 I've always liked the Irish (= people from Ireland). 我一直喜欢爱尔兰人。 
 Do you speak Swedish? 你说瑞典语吗? 
   (LIKE)      
  (构成形容词)…一样的,…似的
used to form adjectives that say what a person, thing, or action is like
  foolish 傻子似的 
 childish 孩子气的 
   (QUITE)      
 (构成形容词)大约,部分,有点儿…,相当
used to form adjectives to give the meaning to some degree; fairly
  He had a sort of reddish beard. 他的胡子略带红色。 
 She was oldish - about 60, I'd say. 我想,她有点儿上年纪了——大约60岁。