failing, go wrong, neglect, break, go, thrive, weakness, break down, bombard, miscarry, flush it, conk out, give out, betray, die, bomb, run out, fail, go bad, give way.
You could flunk
every advanced student you had with that one.
Why, little one, you must be cracked, if you flunk
out before we begin.
But now I've got to get busy on my 'Sci' work, or I'll surely flunk