She can handle the difficult project.

To manage or control a situation or task.
I can handle this task.
She will handle the meeting.
He handles stress well.
handle a situation
handle with care
handle the pressure
manage
control
deal with
The mug has a comfortable handle.

A part of an object designed to be held or manipulated by a person.
The door handle is broken.
Grip the handle firmly.
The suitcase has a strong handle.
door handle
cup handle
tool handle
grip
knob
lever
The manager has a good handle on the project's progress.

A means of managing or controlling something.
She has a firm handle on the situation.
He lost his handle on the steering wheel.
The door needs a new handle.
get a handle on
lose your handle
a good handle
grip
control
command