英汉互译（共5小题，计5分）
将下列英语句子译成汉语，汉语句子译成英语。
She is of medium build and has long blonde hair.
You should be thankful to all the people who have helped you.
人人天生具有学习的能力。(be born with)
不要把今天的事留到明天去做。(not…until)
据说在许多西方国家13是个不吉利的数字。(It is said that…)