Translation of "most difficult" into Japanese

Phrases similar to "most difficult" with translations into Japanese

• to finish the most difficult part
  とうげをこす · 峠を越す
• the most helpful advice may be difficult to listen to
  りょうやくはくちににがし · 良薬は口に苦し
• the most difficult period
  むなつきはっちょう · 胸突き八丁 · 胸突八丁