perseverance

perseverance
noun

[mass noun]steadfastness in doing something despite difficulty or delay in achieving success
坚持不懈，锲而不舍，毅力
medicine is a field which requires dedication and perseverance.
医学是一个需要奉献精神和毅力的领域。

语源

Middle English: from Old French, from Latin perseverantia, from perseverant- 'abiding by strictly', from the verb perseverare (see persevere)