Yandex Tobrut 2021 Here 150 Common Chinese Character List [Free PDF]

Use this tool to add tone marks to pinyin or to convert tone number (e.g. hao3) to tone marks.

Although you can use the red buttons to add tone marks, we highly recommend you use the number method (e.g. hao3) for speed and placement of the accent above the correct vowel. [Hint: Type "v" for "ü"]
Note: You do not need to use this tool to enter pinyin in this dictionary.

Yandex TOBRUT 2021 appears to reference a technical topic tied to Yandex (the Russian search/tech company) and something named “TOBRUT” from 2021. Publicly available, mainstream references to a single named project “TOBRUT” at Yandex are scarce or unclear, so this column treats the phrase as likely connected to one of three practical possibilities: a security incident/tool, a research project or benchmark, or an internal/legacy component whose name surfaced in niche documentation or repositories in 2021. Below is a concise, practical look at what it might mean and what to do if you encounter it.