under/inside/into

English as a Second Language English Vocabulary, Grammar and Idioms
1
  1. The boy put a black eraser under his nose, to imitate Charlie Chaplin.
  2. The boy put a black eraser inside/into his nose, to imitate Charlie Chaplin.
    Are these sentences OK?
2

Only #1 is correct - #2 would mean he put it in one of his nostrils.

3

Luschen,
What is the meaning for #1 sentence?
I couldn’t understand what is ‘under his nose’?
Please explain. Thanks.

4

It just means holding it up between his nose and upper lip, to imitate this person: bubblews.com/news/159430-cha … our-hearts