Euphemism

Question 1

Lie

Answer 1

Stretching the truth
Be economical with the truth 

Question 2

He is old

Answer 2

1. “He’s getting on a bit.”
2. “He’s a senior citizen.”
3. “He’s elderly.”

Question 3

She has died.

Answer 3

1. “She passed away.”
2. “She gave up the ghost.”
3. “She kicked the bucket.”
4. “She hit the dust”

Question 4

They’re not very inteligent

Answer 4

1. They have (got) a low IQ.
2. The lights are on but no one’s home.
3. They’re a few sandwiches short of a picnic.
4. He is not the sharpest tool in the shed.