Meaning of suí biàn:
suí biàn
随便
Adverb
as one wishes; as one pleases; at random
Nǐ kěyǐ suíbiàn tiāo yī gè nǐ xǐhuan de shū.
你可以随便挑一个你喜欢的书。
You can choose any book you like.
Nǐ xiǎng chī shénme, suíbiàn xuǎn.
你想吃什么，随便选。
What do you want to eat? Choose as you please.
Wǒmen kěyǐ zài zhè fùjìn de rènhé cānguǎn chīfàn, suíbiàn tiāo yī jiā ba.
我们可以在这附近的任何餐馆吃饭，随便挑一家吧。
We can eat at any restaurant around here, let's {randomly} pick one.
Adjective
negligent; casual; wanton
Tā chuān de hěn suíbiàn.
他穿得很随便。
He dressed very casually.
Tā shuō tā bù xiǎng qù cānguǎn, suǒyǐ wǒmen jiù suíbiàn chī diǎn dōngxi.
他说他不想去餐馆，所以我们就随便吃点东西。
He said he didn't want to go to a restaurant, so we just ate something casual.
Tā zuò shìqíng hěn suíbiàn.
他做事情很随便。
He does things very carelessly.
