adj.艰苦的，辛苦的，需细心的，需专注的
n.苦干

The artist spent countless hours on a painstakingly detailed painting, capturing the essence of nature.
艺术家花了无数的时间在一幅细致入微的画作上，捕捉自然的灵魂。
She meticulously pieced together the old photographs, reliving each painstaking memory.
她精心拼凑那些旧照片，重温每一段艰辛的记忆。
The archaeologist's work was a laborious and painstaking process, but the discoveries were invaluable.
考古学家的工作既艰辛又耗时，但发现的价值无法估量。
After months of painstaking research, the scientist presented his groundbreaking findings.
经过数月的艰苦研究，这位科学家公布了他革命性的发现。
The restoration of the ancient building required a team of experts to undertake a painstaking restoration project.
修复这座古建筑需要一支专家团队来执行一项耗时费力的修复工程。
Learning a new language is a painstaking task that requires patience and consistent practice.
学习一门新语言是一项耗时且需要耐心和持续练习的任务。
The sculptor chiseled away at the marble block, every stroke a testament to his meticulous and painstaking craftsmanship.
雕刻家在大理石块上精心雕刻，每一刀都彰显出他精细而艰辛的技艺。
The writer spent years perfecting her novel, going through countless revisions in a painstaking editing process.
作者花了数年时间完善她的小说，经过无数次痛苦的修订过程。
The pianist practiced for hours every day, pushing through the painstaking process of mastering a complex piece.
钢琴家每天苦练数小时，艰难地掌握一首复杂的曲目。
The restoration of an old house often involves painstaking efforts to preserve its original architecture and craftsmanship.
修复一座老房子通常需要付出艰辛的努力，以保持其原始的建筑风格和工艺。