They seized the airport in a surprise attack.

他们突袭攻占了机场。

Several moments went by, one of the big Jacks pawed at the ground with his hooves and another looked behind him, as if to check the rear for a surprise attack.

过了好一会儿，其中一只大公驴用蹄子刨地，另一只回头望向他，似乎在检查后面那只是否会突然袭击。

Our surprise attack put the enemy into a flutter.

我们的奇袭使敌人张皇失措。

So a surprise attack is unlikely.

因此一个出其不意攻击不太可能。

The army launched a surprise attack.

军队发动了一次突袭。