“Be that as it may”

“As clear as mud”

Very confusing or not clear at all.

“Be on the safe side”

To avoid risk by being careful.

“Cool as a cucumber”

Very calm, especially under pressure.

“Fit as a fiddle”

Very healthy and strong.

“Give it a shot”

To try something.

“Business as usual”

Things continuing in the normal way.

“Blind as a bat”

Unable to see well.

“Break even”

To make neither profit nor loss.