a.

1. 倔強的，頑固的；不聽話的
   He is as stubborn as a mule.

   他像騾子一般執拗。

2. 頑強的，不屈不撓的
   The defenders put up a stubborn resistance.

   防守將士進行了頑強的抵抗。

3. 難處理的，難對付的
   This lock's rather stubborn; it needs oiling.

   這把鎖很難開；得給它加點油了。

4. （病）難治好的
   I had a stubborn cold and coughed day and night.

   我得了很難治的感冒，日夜咳嗽。

5. （汙漬）難去掉的
   This detergent can remove stubborn stains.

   這種去汙劑能去除難洗的汙漬。

adj.

1. determined not to change one's attitude or position.
2. difficult to move, remove, or cure.