painstaking
[ˈpenzˌtekɪŋ]
adj.
（不辞）劳苦的，辛苦的;
煞费苦心的;
苦干的，辛勤的;
小心的;
n.
苦干，刻苦;
勤勉;
辛苦;
煞费苦心;
例句:
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It would've saved them decades of painstaking work.
来自SA
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Forensic experts carried out a painstaking search of the debris.
法医专家对残骸进行了极其仔细的搜索。
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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。
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She is not very clever but she is painstaking.
她并不很聪明,但肯下苦功夫.
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If you want painstaking journalism, here it is.
来自THETIMES
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Painstaking attention to detail had become her hallmark.
来自Country Homes