He dislikes father brother and the lawyer because their actions
The primary purpose of these stage directions (with the gallantry of a young politician) is to indicate a character's tone of voice.
Given that he is referring to the ladies, he has to change the tone of his voice a bit to appeal to them more. He cannot speak in a manly voice which he would normally use while speaking to other men, but rather appear more suave and gentleman-like.
This question is incomplete, here´s the complete question.
Read Slaughterhouse-Five, by Kurt Vonnegut.
During the party for Billy and Valencia’s eighteenth wedding anniversary, Billy is greatly upset by the barbershop quartet (219-30; 172-80 in the shorter edition). Summarize what happens to him in this moment and why. What do you think Vonnegut is saying about the nature of memory in this section of the book (and indeed throughout the book)?
Answer:
The barbershop quartet reminds Billy of the German officers when they saw the destruction caused by the bombing of Dresden. Billy breaks down and realizes he has some "big secret" inside. Vonnegut´s ideas about the nature of memory appear in Billy´s suppressing his emotion during the war, to end up having his later civilian life shape by what happened there.
Explanation:
Traumatized by the horrors of war, Billy´s memory constantly takes him into vivid flashbacks, showing that he hasn´t truly processed what he has gone through.
Answer:
C. Face many dangers to marry her.
Explanation:
It says "My mother said if Yue-lao intends for me to marry someone other than the rich old man, he will be strong enough to swim the lake and brave..."