You will have your fair share of insults and ridicule and threats.

你将面对许多的侮辱、嘲笑和威胁。

You must have had your fair share of single beds.

你必须占有单人床合理的份额。

" To do your part" means to help in a group effort or to do your fair share of the work.

“做你的本分” 意味着帮助团队努力或完成你应得的工作。