painstaking 辛勤的，苦干的，刻苦的、passionate 充满热情的 、persevering 不屈不挠的 、pessimistic 悲观的 、polite 有礼貌的 、popular 受欢迎的 、practical 实际的 、precise 一丝不苟的 、punctual 严守时刻的 。
The event had been planned with painstaking attention to detail.
这次活动的细节是经过精心计划的。
I admire his passionate belief in what he is doing.
我佩服他对自己的工作所抱的坚定信心。
Do you think it's worth persevering with this project?
认为坚持这个项目是值得的吗？
I think you're being far too pessimistic.
我觉得你过于悲观了。
I like to deal with a polite clerk.
我喜欢找有礼貌的店员买东西。
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