HSK 4
顺便
shùnbiàn副
conveniently; in passing; without much extra effort
下班回家时我顺便买菜。
Xià bān huí jiā shí wǒ shùn biàn mǎi cài.
I buy groceries on my way home from work.
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.