get something over with

Verb

idiomatic

(idiomatic) To proceed to do something as soon as possible, especially so as to have something unpleasant behind oneself.

Japanese Meaning

嫌なこと・面倒なことを早めに片付けて、その後の悩みや負担をなくす行動をする / 不快な出来事や仕事を後回しにせず、すぐに済ませるように行動する

一日中不安に思って過ごすより、さっさと済ませてしまいたかったので、朝一番に歯医者の予約を入れました。

Sense（1）

(idiomatic) To proceed to do something as soon as possible, especially so as to have something unpleasant behind oneself.

I hate getting shots, but it's best just to get it over with.

gets something over with

（ present singular third-person ）

getting something over with

（ participle present ）

got something over with

（ past ）

got something over with

（ UK participle past ）

gotten something over with

（ US participle past ）