the briefest glimpse could give warning of an attack.一閃即逝的影子都可能是攻擊的前兆

give warning警告(預告)

The black clouds gave warning of an approaching storm.

烏云是暴風雨將要來臨的前兆。

The chital must detect their enemy before it takes them by surprise.斑鹿必須在遭遇突襲前先偵測到敵人

by surprise突然(冷不防；出其不意地)

Her suggestion fairly took me by surprise.

她的建議真叫我大吃一驚。

Her sudden resignation took us all by surprise.

她突然辭職，我們都為之愕然。

The jungle is full of distraction.身處叢林很容易分心

full of充滿 ...

She is always full of whims and fancies.

她老是充滿怪念頭。

He walked with a stride full of purpose.

他邁著堅定的步伐向前走。

相關短語:make full use of充分利用

You shall make full use of these materials.

你應該充分利用這些材料。

Make full use of your time to learn more knowledge.

充分利用你的時間去學習。