You've become too chicken-harted.
4 seconds sound clip from the The Woman Avenger (1980) movie soundboard.
You can hear this line at 01:02:14 in the DVD version of the movie.
Quote context
[...]
- What's that, a woman with a limp took her away?
- Master, she knows the Twin Boxing style. I was no match for her.
- You've become too chicken-harted.
- That's all right, I'll handle this. I'll settle it once and for all.
- Master, do you know who that woman is?
- Of course I know. I must kill her, or she might kill me.
- You needn't know any more, but if I'm not mistaken, she's probably holed up somewhere near here.
[...]