So here the scene is with “we have to keep…”. I feel like it needs the word “on” in order to work properly. Doesn’t help that her mouth clearly doesn’t move:
Something like what you recommended might work better Sherlock. Something short like “I know”. Anyways, here is the line from the above video if somebody thinks they can do better than me:
https://drive.google.com/file/d/1VGAsmBEi84jBhycNLbwN4KLoN1iHuMrg/view?usp=sharing