这件事你别太紧张，随便聊聊就好。

Zhè jiàn shì nǐ bié tài jǐnzhāng, suíbiàn liáoliao jiù hǎo.

Don't be too nervous about this, just chat casually.

请把垃圾随手扔进垃圾桶。

Qǐng bǎ lājī suíshǒu rēng jìn lājītǒng.

Please throw the trash into the bin as you go.

他做事很随便，从来不认真计划。

Tā zuòshì hěn suíbiàn, cónglái bù rènzhēn jìhuà.

He is very casual in doing things and never plans carefully.