Standing upright, especially to deliver a speech. Forgive me if I seem nervous, but I'm not used to standing on my hind legs in front of a large group of people.
直挺,尤其是发表了演讲。原谅我,如果我好像很紧张,但我不习惯在一大群人面前站在我的后腿。
Come on then, stand up on your hind legs and say a few words about this company you've helped create!