形容詞 insistent:

1. persistently continual
   同義詞：repetitive
2. demanding attention
   同義詞：clamant, crying, exigent, instant

1. The quality or condition of being insistent; urgency.
   堅持性堅持的性質或狀態(tài); 緊迫性
2. You mustn't be late; he was most insistent about that.
   你萬不可遲到，他對這一點最嚴格。
3. She's a most insistent person; she won't take `no' for an answer.
   她是個說一不二的人，決不容別人反對。

in.sis.tent

adj.（形容詞）
Firm in asserting a demand or an opinion; unyielding.
堅持的：堅決地提出某一要求或意見的；不妥協的
Demanding notice:
需要注意的：
例句：
insistent hunger.
需要注意的饑餓

Repetitive and persistent:
重復的和持續(xù)的：
例句：
the jay`s insistent cry.
鳥不停在叫聲

【引伸】
insis.tently
adv.（副詞）