HSK 5
彼此
bǐcǐ代
each other; one another
我们住在不同城市却彼此关心。
Wǒ men zhù zài bù tóng chéng shì què bǐ cǐ guān xīn.
We live in different cities but care about each other.
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 5.