a.

1. 坚持的，强要的；持续的[（+on/upon）][+（that）]
   the insistent ringing of the telephone

   电话铃响个不停

   She was insistent that I was wrong.

   她硬说我错了。

2. 引人注目的，显著的；急切的
   an insistent demand

   紧急要求

adj.

1. insisting or very demanding.
2. repeated and demanding attention:
   an insistent rapping on the window.