多年の錬磨によっての英語

• by virtue of many years' hard training
  

• 多年     多年 たねん many years
• 錬磨     錬磨 れんま training practice cultivation
• て     て 手 hand
• よって     よって 依って 因って 仍って therefore consequently accordingly because of
• によって     によって に因って according to by (means of) due to because of
• 多年の努力    one's many years' efforts
• 多年の労作    1. a piece of work completed after many years' labor 2. fruit of one's many years' labor 3. product of one's many years' labor
• 多年の労働    labor of many years
• 多年の念願    1. long-cherished desire 2. something that one has wished [wanted] to do for a long time
• 多年の怨敵    bitter enemy of many years
• 多年の懸案    long-pending question
• 多年の経験    1. adequate experience 2. long years' experience
• 年の差によって優位に立つ    have the advantage in age
• 長年の経験によって培われたもの    the product of year's experience
• によって    によって に因って according to by (means of) due to because of