“A blessing in disguise”

“Cut both ways”

To have both positive and negative effects.

“In black and white”

Written or printed clearly.

“In short supply”

Not enough available.

“In good faith”

With honest intentions.

“In deep water”

In serious trouble.

“Day in, day out”

Every day, repeatedly.

“All in good time”

Something will happen when the right time comes.

“Go hand in hand”

To be closely connected.