Surface-to-air missile batteries will be mounted on the roofs of apartment blocks in and around London for the duration of the Olympic Games, prompting protests from the residents inside the buildings.
Japanese who want to send a document to the U.S. by an express mail company have to sign a declaration saying that the paper is not explosive, even if the document is one single A4 sheet.

I'm a bit rusty

Theresa: Do you think you could play the guitar at our next party?

Ken: I'm not sure that I could do that. I haven't played in a long time and I'm a bit rusty. But I think Susan could play for you.

Explanation: When someone says they're a bit rusty, they mean that they haven't practiced something in a long time and their skill isn't so good any more.

auscultation

Doctor Garcia: Have you found anything abnormal with the patient's heart?

Doctor Christie: Auscultation of the chest area didn't reveal anything abnormal. But we still suspect some problem with the heart circulation.

Explanation: Ausculation is the process of listening to the paitent's heart and lungs with a stethoscope. It comes from the Latin word for listening.

sort it out

Dear Mr. Suzuki:

Steve from the sales department called me and said there is a problem with the Hong Kong office. I have to leave for a meeting in a few minutes. Can you call Steve and sort it out with him?

Explanation: to sort something out means to discuss an issue and find some sort of answer or solution.