a.

1. 详尽的；清楚的；明确的
   The doctor gave me explicit instructions on when and how to take the medicine.

   大夫详细地告诉我该何时服药以及如何服药。

2. 直率的；不含糊的

adj.

1. stated clearly and precisely.
2. describing or representing sexual activity in a direct and detailed way.