stretch marks

　　这个用英文来解释比较好：the marks that are left on a person’s skin after it has been stretched, particularly after a woman has been pregnant.

　　C-section

　　就是传说中的“剖腹产”(a medical operation in which an opening is cut in a woman’s body in order to take out a baby)

　　put somebody out

　　这个短语在此处的意思是“给某人添麻烦”(to cause somebody trouble, extra work, inconvenience). 比如：

　　I hope our arriving late didn’t put them out.

　　除了这个意思呢，他还有“把某人放倒”的用法(to make somebody unconscious),例如：

　　These pills should put him out for a few hours.