2. He aggravates the difficulty by trying to excuse his act.

3. He is aggravating his cold by going out.

4. He irritates me by his teasing.

5. The gravity of our case is but aggravated by delay.

Allude, mention.

1. Nobody would allude to an experience so unpleasant to all that party.

2. He alluded to Washington as the Father of his Country.

3. He mentioned several ways of accomplishing the work; then he went back to his duties, not alluding to the subject again.

Can a person allude to a thing without assuming knowledge of it on the part of an audience? Can a thing be alluded to for the first time? if so, would it be the first time it was spoken of? Make allusions to several great men without mentioning their names.