The water was level with his lips, but his nose did not go under.
They are in a bad way, I'm afraid, and will have to go under, unless—eh?
I do not wish to go under the operation if I can possibly avoid it.
Scipio did not go under in the manner to have been expected of him.
If I am to go under I should prefer to be drowned in the sea with the wind on my face.
"Not if ...