you need to delicate, otherwise you won't be succeeful and that the patient won't make it.

没有奉献精神，就无法取得成功,病人也无法得到治疗。

普林斯顿公开课 - 领导能力简介课程节选

but it just takes a lot of dedication, a lot of daily practice.

不过，要想学好，就要奉献精神，每天都要勤加练习。

想学会4种语言 - SpeakingMax英语口语达人

It requires commitment and discipline.

它还需要有奉献精神，纪律性。

普林斯顿公开课 - 人性课程节选