Yes, you can but open italki on your computer and not on your phone, because using the "mobile site" from italki don't allow you to delete your notebook entries. The "full site" version of italki on your computer will allow you to do that easily; open the list from "community" tab and choose "Notebook", then choose "My Notebook" and you can see the trash bin beside each entry you wrote, just click on the trash bin beside the entry you want to delete, and that's it. If you don't have a computer and you only have your phone to check italk, do the following: when you sign in, go to the bottom of the page and choose "Full site" and this will give you the same italki version where you can delete the entry the way I told you before. Good luck Alex.

click 社区----- then----- 作文簿---then--- 我的作文簿 choose the notebook entry and click on the picture of 废物回收筒

Don't you have a little garbage bin next to your specific notebook entry under "my notebooks" ?

I did it in the past and it was quite easy but now I don't see how so maybe they have taken that possibility off. I see some of my contacts have deleted texts but it could have been the administrators. I think it is good that you realised it. As Dina said a lot of people make very personal notebook entries so I wouldn't worry about it. I think I almost always want to remove my entries -but more for language reasons- as I realise I have made stupid mistakes every time.

Thank you! its so sweet of you for saying that,it really relie me a lot ????