忘掉的英文：
get sth out one's head
unlearn

参考例句：

Sink into oBscurity
被世人忘掉，湮没无闻

He could not expunge the incident from his memory
他无法忘掉这件事

bury one's difference
忘掉意见之不和

"Jack, try to put it out of your head."
"杰克,试着忘掉它吧。"

Leave behind; forget
被落在后面;忘掉;忘记带

Sing your troubles away.
唱唱歌把烦恼忘掉。

tried to efface prejudice from his mind.
试图使他忘掉偏见。

How bothersome it is to forget names!
忘掉人的名字真烦人。

Let's make up and forget all about the argument.
忘掉所有的争论和解吧。

The incident will blow over in course of time.
这件事过一段时间就会被忘掉的。

get是什么意思：
v. 得到；抓住；获得；受到（惩罚）；说服；到达，来；变得，变成；设法；开始
n. 幼兽；生殖

Get to the bottom of
弄个水落石出

Saving is getting
节约等于收入

It was getting dark.
天色渐暗。

sth是什么意思：
abbr. something的缩略词

average sth out(at sth);calculate the average of sth
算出某事物的平均数

be agreeable to sth
欣然同意某事

at/on the altar of sth
因为，为了（值得为之受苦的事）

out是什么意思：
adv. 出外；在外；离岸；出现；问世；大声地；完全；用完；不流行
adj. 外侧的；偏僻的
prep. 通过…而出；沿着…而去
n. 借口，托辞
pref. 外，超过，出，向外

be out for the count
拳击者被击倒后经裁判数到十秒还站不起来|被判失败|打输|被打败

Out of the Blue
从天上掉下来

Out of power, he is out of favour.
当他失去权力之后，他也就不再受人欢迎。