HSK 6
一一
yīyī副
one by one; one after another
请一一检查名单上的姓名。
Qǐng yī yī jiǎn chá míng dān shàng de xìng míng.
Please check every name on the list one by one.
Say it
Hold the button, say it, then let go.
Other HSK words sharing a character
Also free:
New in the HSK 3.0 word list at level 6.