And they should teach them that by coercion it is permitted - ולדרוש להו דאונס שרי
Summary:
The view of the ר"ת is that ביאה with a גוי is not considered a sufficient ביאה of גילוי עריות, that would require יהרג ואל יעבר and would not forbid her to marry the בועל, even if she was מזנה ברצון. The ריב"ם maintains that ביאה with a גוי forbids her לבעל ולבועל and the only היתר by אונס is because of קרקע עולם.
If he comes and leaves, let us delay - אי דאתי וחליף ליעכב
Summary:
According to רש"י the question of דאתי וחליף לעיכב is, if he is leaving after Wednesday, let us postpone the wedding till the following Wednesday. תוספות explains it to mean that if he is leaving on Wednesday, let us postpone the wedding later that day after he leaves. However we do not postpone the date of a wedding.