element of surprise

Noun

idiomatic

(idiomatic) The strategic advantage afforded to a party when its opposition may be caught by surprise.

Japanese Meaning

相手が不意を突かれることによって戦略的な優位性を得る状況、またはその要素

The commander relied on the element of surprise to secure a decisive victory before the enemy could regroup.

司令官は敵が立て直す前に決定的な勝利を確保するため、奇襲による優位性に頼った。

Sense（1）

(idiomatic) The strategic advantage afforded to a party when its opposition may be caught by surprise.

We should attack the enemy's camp now while we still have the element of surprise.

elements of surprise

（ plural ）