hack it

tolerate something

Example:

I hate my new job. I can't hack it. The hours are too long.

half-baked

badly considered idea

Example:

Another half-baked plan. Think about what you just said.

hands down

easily

Example:

We won the contract hands down. Great work team!

hands-on

to really do something

Example:

Enough theory. Time for some hands-on work.

has-been

a person who had a good job or career

Example:

He's a has-been. Once he was the head of sales.