- Leave it to me.
- Leave it with me.
- I'll take care of it.
Example 1:
Risa: "I haven't finished sending these faxes but I need to go to a meeting."
Rina: "Leave it to me and go to the meeting."
Example 2:
Clerk: "I've applied for a transfer but no reply."
The boss: "Leave it with me; I'll see what I can do."
Example 3:
Yuta: "I need to call the London office but my English is terrible."
Yuto: "Don't worry; I'll take care of it."