You only need to apply light pressure.

你只要轻轻地一压就行了。

《牛津词典》

Strawberries look nice, but a light pressure can make them out of shape.

草莓看起来不错，但是轻微的压力就会使它们变形。

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To maintain control select and stay in a low gear and adjust speed with light pressure on the footbrake .

为保持对车辆的控制，驾驶人可选择和维持以低速档行车，并可轻踏煞车掣，调节速度。

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Gold also saw light selling pressure come from news reports Greece has apparently not quite secured its next round of bailout money from the European Union.

FORBES: Comex Gold Ends Weaker on Technical Selling and Bearish Outside Markets

We recently saw research that suggested negative radiation pressure in light could lead to a practical tractor beam.

ENGADGET: Researchers build a working tractor beam, on a very small scale

The currencies that are likely to benefit from that over the next few years are those which are growing relatively quickly and where monetary policy needs to tighten in light of increasing inflationary pressure.

FORBES: Post-Downgrade, Commodity Currencies More Vunerable Than Dollar