不用 + Verb
不用 means "don't need to" or "no need" and is used to tell someone that an action is unnecessary. It is a straightforward way to decline help or relieve someone of an obligation. For example, 不用谢 means "no need to thank me."
不用担心,一切都会好的。
Bùyòng dānxīn, yíqiè dōu huì hǎo de.
Don't worry — everything will be fine.
我自己来就行,不用帮忙。
Wǒ zìjǐ lái jiù xíng, bùyòng bāngmáng.
I can do it myself — no need to help.
不用带那么多东西,轻装出发吧。
Bùyòng dài nàme duō dōngxi, qīngzhuāng chūfā ba.
No need to bring so much stuff — let's travel light.