You only need to apply light pressure.

你只要轻轻地一压就行了。

《牛津词典》

You only have to look at her to see she doesn't eat enough.

你只消看一眼就知道她进食不够多。

《牛津词典》

You only need a very small blob of glue, so one tube lasts for ages.

你仅需要很小一滴胶水，所以一管胶水能用很久。

《柯林斯英汉双解大词典》

So are you saying you only want tax reform for the top 2 percent?

WHITEHOUSE: Press Briefing by Press Secretary Jay Carney,

The Turbo delivers superhuman power to anyone who rides it: it's you only faster.

ENGADGET: Specialized Turbo e-bike reaches the US, offers a speed boost for $5,900

But you only do it 500 times if you consider it interesting and fun!

FORBES: Blog #500: Taking Stock