The danger of idioms
Idioms are fun, but they can be dangerous.
High and dry

If you leave someone high and dry, you leave them unsupported and helpless. In this photo this boat has been left high and dry – literally.
To tread the boards.
If you “tread the boards” you are an actor on the stage, but these floorboards are well trodden. More entertainment idioms.
Cover your ears!
Cover your ears! Originally uploaded by waɪ.tiː Usually if someone says “cover your ears” it means put your hands over your ears in order to protect your hearing, but in this photo the ears of these horses have been covered to protect them from the sun.
Finishing touches
Finishing touches Originally uploaded by waɪ.tiː When you put the finishing touches on something you make some small changes or additions that serve to complete something. Here they are putting the finishing touches on the overhead cables for a new tram line.