tell and announce What's the difference about tell and announce? Thank you!

About just I need to sleep. I just need to sleep. What is different between two sentences? Thank you!

Feal Effect "Flea Effect" arises from a interesting experiment. A biologist thrown the flea to the ground freely. The flea can jump more than one metre from the ground. But if you put a cover in a metre high, It will jump immeditely and collide with the cover. It will repeatedly collide with the cover. After several times, You take a way the cover. You will discover though It also is jumping. But It can't reach that height until It dead. It tell us we must have a higher objective if you wish you can success.

Saya ingin mencari perangkat lunak di mana dapat men-download perangkat lunak tentang bahasa Inggris ke Indonesia dictionary oleh Indonesia pengucapan.Saya berharap itu gratis.

One gloomy thing A Vietnamese girl writed a sentence for Laba porridge in Chinese.I help her to correct some mistake about pronunciation. The same Chinese character usually has many different pronunciation. When she ask me why correct like that. Originally i want to explain for her in English. But then i discover it's too hard for me. My English level can't express my real minds. So i only explain for her in Chinese. I am not sure she understand all my meaning. I'm so gloomily. I have two questions. 1. Like noun,verb,adjective. What are they general name? 2. How translate this sentence in English? "主要看这个字和什么字组合在一起" Mainly based on which character with this character compose together.

second day Today is the second day I join the italki. I discover that this Website is very interesting. It is the best Studying Website I find recently. I hope I can find someone speaking English. I can speak Chinese. I hope we can learn each other and build friendship. welcome anytime.

First notebook entry: Introducing myself My name is liu jing qi.I come from China.I'm 25 years old. I wish i can find some friends in here.