Lock horns = debate, argue, have row with locking horns (noun) = debate, argument The mayor and her deputy locked horns over plans for the new road

In the light of recent incidents, we are asking our customers to take particular care of their personal belongings.

take on. There’s so much work to do in the office that maybe we should take on a secretary.

take over. When Mr Baker retired, his daughter took over the family business.

Earthquakes result in a great loss of life.

Once in a blue moon My sister lives in Alaska, so I only see her once in a blue moon.

back out. you promised to help me this weekend- you can’t back out now.

up in the air

We must reach Khartoum at any cost.

intriguing. These discoveries raise intriguing questions.

in the nick of time

come under fire The minister came under fire for his rash decision to close down the factory.

The landlord was very generous to us. All that we consumed in his inn was on the house.