to come under attack

• 遭到袭击

to come under attack的用法和样例：

例句

1. The guards were wakeful all night in case of attack.
   卫兵们通宵都警惕地戒备着，以防遭到袭击。
2. He has promised to help Iran's longstanding regional ally, Syria, if it comes under attack.
   他承诺，如果叙利亚遭到袭击，伊朗会帮助这个它长期以来的地区盟友。