He has finally cracked the system after years of painstaking research.

　　經過多年的努力研究，他終于找到了破解這個系統的辦法。

　　Forensic experts carried out a painstaking search of the debris.

　　法醫專家對殘骸進行了極其仔細的搜索。

　　They were locked in a passionate embrace.

　　他們熱烈地擁抱在一起。

　　We were both very tender and passionate towards one another.

　　我們相親相愛，如膠似漆。

　　He brought to the job not just considerable experience but passionate enthusiasm

　　他不僅給這一工作帶來了不少經驗，而且傾注了極大的熱情。