HSK 7-9
逆
nì动
contrary; opposite; backwards; to go against
这艘小船正逆水而上。
Zhèsōu xiǎochuán zhèng nìshuǐ ér shàng.
This small boat is traveling upstream.
Say it
Hold the button, say it, then let go.
Other HSK words sharing a character
Also free:
Appears across levels (7-9) in the HSK 3.0 word list.