(baseball) ball which is hard to hit or catch 意味

• (baseball) ball which is hard to hit or catch
  難球
  なんきゅう
  

• hard ball to hit:    hard ball to hit悪球あっきゅう
• hit a batter by pitching a ball (baseball):    hit a batter by pitching a ball (baseball)死球しきゅう
• ball hit over the head of an outfielder (baseball):    ball hit over the head of an outfielder (baseball)オーバー