insist ·verb (SAY FIRMLY)
Definition: to say firmly that something is true Level: B2
格雷格仍然坚称他没有做错任何事。
Greg still ___insists that he did nothing wrong.
麦吉利卡迪夫人看到一名女子在火车上被勒死，尽管似乎没有人相信她，她坚称自己是对的，并在朋友的帮助下证明了这一点。
Mrs McGillicuddy saw a woman being strangled on a train and, in spite of everybody seeming not to believe her, she ___insisted that she was right and, with her friend's help, proved it.
她坚称自己看到嫌疑人离开了现场，尽管没有其他人看到。
She ___insists that she saw the suspect leaving the scene, even though no one else did.