set upon

To attack someone. / To begin an activity; to embark upon a course of action.

日本語の意味

襲う（攻撃する） / 活動を始める（着手する）

The lone traveler was set upon by a pack of wolves at dusk.

一人の旅人は夕暮れ時にオオカミの群れに襲われた。

意味（1）

To attack someone.

I was set upon by a couple of young thugs.

意味（2）

To begin an activity; to embark upon a course of action.

On receiving the letter, I immediately set upon writing a reply.

sets upon

（ present singular third-person ）

setting upon

（ participle present ）

set upon

（ participle past ）

set upon

（ past ）