/'θʌrə; [US] 'θʌrəʊ; `θʌro/
adj
1 (a) [usu attrib 通常作定语] done completely and with great attention to detail; not superficial 彻底的; 完全的; 细致的; 深入的
*aim to provide a thorough training in all aspects of the work 旨在为这项工作提供各方面的严格训练
* give the room a thorough cleaning 把房间彻底打扫一番.
(b) doing things in this way 做事彻底的、全面的、细致的或深入的
*He's a slow worker but very thorough. 他做事慢, 但非常仔细.
2 [attrib 作定语] (derog 贬) utter; complete 十足的; 彻头彻尾的
*That woman is a thorough nuisance. 那个女人讨厌透了.

adj
[Date: 1400-1500; Origin: thorough 'through' (11-21 centuries), from through]
including every possible detail
→thoroughly
　The doctor gave him a thorough check-up.
　a thorough and detailed biography
　The police investigation was very thorough.
　thorough notes of the meeting
[not usually before noun]
careful to do things properly so that you avoid mistakes
　The screening of applicants must be thorough.
a thorough pest/nuisance/mess
BrE used to emphasize the bad qualities of someone or something
>thoroughnessn[U]