Not so easy as it looks, I'll tell you that.
4 seconds sound clip from the Yoga and the Kung Fu Girl (1979) movie soundboard.
You can hear this line at 00:18:03.601 in the DVD version of the movie.
Quote context
[...]
- Me, famous? I want a break! I don't want to. I'm not lazy.
- Hey, Phoenix, let's you and I go into town.
- All this lovely money could all be yours, just hit the target. If you miss it, you're a fool.
- Not so easy as it looks, I'll tell you that.
- Don't try it, don't make yourself a fool.
- Hey, don't you think I can do it?
- Your mother gave that to you. What if you should lose it now?
- Come on lad. A smart young man like you could do it easy.
[...]