hero's notebook entry: Jan 02, 2011 Many people say we have a lot in common. She always afforded me to do my best. She never tailed to make me believe that I could do anything with my life that I wanted, if I only tried hard enough.what is the meaning of "tail"？

hero's notebook entry: Jan 01, 2011 Every April 22, millions get together to clean and protect Earth. They also celebrate how far we have come. Our job is to put this knowledge to work. You can help keep our planet healthy too! can anyone tell me what the meaning of "Our job is to put this knowledge to work. "is?

enter a lift When we are going to enter a lift, the underground, or a doorway, we will wait for others to exit before we enter. Is there any mistake in the sentance?if the sentance is right,what is the meaning of "the underground, or a doorway"?what does the whole sentance mean?

hero's notebook entry: Dec 31, 2010 Teaching them small acts of kindness, such as letting someone else go through a door first as they hold it open, may seem unimportant, but it can go a long way toward helping students realize how to be polite and thank others. Once they’ve been told, they’re halfway there. Can anyone tell me what is the meaning of "Once they’ve been told, they’re halfway there"?

hero's notebook entry: Dec 31, 2010 At that moment, a boy entered the classroom. I didn’t know who he was. He passed me and then turned back. He looked at me, without a word but a smile. Suddenly, I felt the touch of something bright and friendly. It made me feel happy, lively and warm. Can anybody tell me what is the meaning of " I felt the touch of something bright and friendly"

First notebook entry: Introducing myself hello,everybody.my name si li lei,a Beijing man.I graduated frome Beijing Institute of Technology three years ago.Now I work in a car factory where I can get a handsome income to surport my family.I have pass the College English Test Band Six at a high grade,but I think my English is not good enough,so I try to improve my English.Italki is a wonderful site for everybody speaking every language to enhance their language level.I am glad to make friends with everyone here.Bejing is a world famous city,welcome everyone to come here for a visit,and I can be a good guide for you then.