一点 + Noun + 都/也 + 没有
一点 (yīdiǎn) means "a little bit" in affirmative sentences and "any" or "at all" in negative constructions. In the pattern 一点 + noun + 都/也 + 没有, it emphasizes a complete lack of something.
今天有一点冷,你多穿点衣服吧。
Jīntiān yǒu yìdiǎn lěng, nǐ duō chuān diǎn yīfu ba.
It's a bit cold today; you should put on more clothes.
冰箱里一点吃的都没有了,我们去买菜吧。
Bīngxiāng lǐ yìdiǎn chī de dōu méiyǒu le, wǒmen qù mǎi cài ba.
There's nothing left to eat in the fridge; let's go grocery shopping.
他说话带一点南方口音。
Tā shuōhuà dài yìdiǎn nánfāng kǒuyīn.
He speaks with a slight southern accent.