Maybe I've been trying too hard to keep our dirty family linen from being washed in public.

5 seconds sound clip from the The Big Heat (1953) movie soundboard.

You can hear this line at 00:14:38.679 in the Blu-ray version of the movie.

Quote context

[...]

- Tom had no reason to kill himself.

- The fact is, he did kill himself. And that's positive.

- Can I have a brandy?

- She claims that she saw your husband a few nights ago... Wednesday night... and there was nothing wrong with his health.

- What are you trying to say, Mr. Bannion?

- I'm just trying to check up on her story, find out why your husband took his life.

- Maybe I've been trying too hard to keep our dirty family linen from being washed in public.

- I suppose that woman told you about their relationship?

- She said your husband was in good health and very cheerful, and that you'd agreed to divorce him.

- She's a liar. Tom never wanted a divorce. And he wasn't a well man.

- I have no choice now except to tell you about Tom and myself.

[...]