I'm worried your Tiger style's not good enough.

5 seconds sound clip from the Executioners From Shaolin (1977) movie soundboard.

You can hear this line at 01:26:34 in the DVD version of the movie.

Quote context

[...]

- Ma, please don't worry. I'll do it, just watch me now!

- There's no need. I won't bother you anymore. You can practice alone.

- I wonder what the next move is.

- I'll stick to Crane kung fu.

- Ma, don't worry. I'll remember what you said. Tiger style, first, and then, Crane style.

- I'm worried your Tiger style's not good enough.

- Ma, I've only practiced for a year, but still, I've been training hard, Tiger kung fu, and some Crane kung fu as well.

- I'm certain I can defeat Pai Mei now.

- That's what your father wanted.

- Once Pai Mei's dead, I'll come back for you.

[...]