Example: Under the weather

Problem: I'm feeling a bit under the weather today.

Solution:

1. I'm feeling a bit sick today.

Example: Back on your feet

Problem: After a week of rest, she was back on her feet.

Solution:

1. After a week of rest, she recovered.

Example: A clean bill of health

Problem: The doctor gave him a clean bill of health.

Solution:

1. The doctor said he is healthy.

Example: Fit as a fiddle

Problem: My grandmother is 90 but she's fit as a fiddle.

Solution:

1. My grandmother is very healthy.

Example: Go under the knife

Problem: He had to go under the knife for a knee operation.

Solution:

1. He had to have surgery for a knee operation.

Example: On the mend

Problem: She was seriously ill but now she's on the mend.

Solution:

1. She is recovering from her illness.

Example: Take a turn for the worse

Problem: His condition took a turn for the worse last night.

Solution:

1. His condition suddenly became worse last night.

Example: Alive and kicking

Problem: The old traditions are still alive and kicking.

Solution:

1. The old traditions are still active and strong.

Example: As pale as a ghost

Problem: He turned as pale as a ghost when he heard the news.

Solution:

1. He became extremely pale when he heard the news.