Your suspicions of her, your hints, your vague little threats, they all make Thea dreadfully unhappy.

7 seconds sound clip from the Isle of the Dead (1945) movie soundboard.

You can hear this line at 00:24:28.682 in the Blu-ray version of the movie.

Quote context

[...]

- We'll make a wager. The doctor can use his science, I'll pray to Hermes. We'll see who dies and who is saved.

- You can't mean that seriously.

- I'll take your wager.

- You broke the doctor's first order. No contact.

- I'll break no more of his orders. Nor will you, or any of the others.

- But now that I find we are to remain here, I must insist that you stop.

- Your suspicions of her, your hints, your vague little threats, they all make Thea dreadfully unhappy.

- Madame Kyra, let me remind you that evil breeds evil. And in the end, it will be you yourself who will suffer. I warn you...

- We die when we must.

- Come in.

- It's Mrs. St. Aubyn. She has her illness again. She hardly breathes. Will you come to her? Mr. St. Aubyn?

[...]