Declare war upon
向...宣战, 向...发动进攻, 表示反对...
🧩 词语组成解析
war
[wɔr]
n. 战争;战争期间;斗争;论战;
vi. 进行战斗，作战;同…处于交战状态;
upon
[ə'pɑn]
prep. 在…上面;当…时候;
🗣️ 情景例句
He won't pay attention to anybody.
他不会认真倾听别人的话。
Do you ever do exercises on Saturday?
你曾经在星期六做练习吗？
I told her that either I would have to buy a new mower or let the grass grow.
我告诉她，要么买一台新割草机，要么让草长下去。