able to cut it
Capable of performing at a high level; capable of success. I know she hasn't had that much experience in this field, but I think she will be able to cut it.
able to cut something
Fig. to be able to manage or execute something. (Often negative. Able to can be replaced with can.) We thought he could handle the new account, but he is simply not able to cut it.
able to cut something
tv. able to manage or execute something. (Often negative.) Do you think you’re able to cut it? He’s just not able to cut it.