HSK 4
随便
suíbiàn动形连
as one wishes; as one pleases; at random; negligent
你可以随便选一个座位。
Nǐ kě yǐ suí biàn xuǎn yí gè zuò wèi.
You may choose any seat you like.
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 4.