a.

1. 徹底的；完全的
   The film was a thorough success.

   這電影獲得極大的成功。

   You must promise me to take a thorough rest.

   你得答應我徹底休息一下。

2. 周密的；完善的
   The doctor was very thorough in his examination of the sick child.

   醫生對生病的孩子進行了仔細的檢查。

3. 十足的，徹頭徹尾的[B]
   He is a thorough scoundrel.

   他是一個十足的無賴。

4. （人）十分仔細的
   She is not brilliant, but she is thorough.

   她並非才華橫溢，但很仔細。

adj.

1. complete with regard to every detail.
   ▸performed with or showing great care and completeness.
2. absolute; utter (used for emphasis).