![to [draw] a blank](https://cdn.langeek.co/photo/29665/thumb/350?type=jpeg "to [draw] a blank")
to be unable to remember something clearly
什么也想不起来, 脑子一片空白
![to [have] a (memory|mind|head|brain) like a sieve](https://cdn.langeek.co/photo/44924/thumb/350?type=jpeg "to [have] a (memory|mind|head|brain) like a sieve")
to often forget things due to one's exceptionally poor memory
记性很差, 特别健忘
a time so long ago that one has difficulty remembering clearly
很久很久以前, 久远到记不清的时候
![to [be] on the tip of {one's} tongue](https://cdn.langeek.co/photo/44910/thumb/350?type=jpeg "to [be] on the tip of {one's} tongue")
to be very close to remembering or saying something but fail nevertheless
话到嘴边, 差点想起来
![to [slip] {one's} (mind|memory)](https://cdn.langeek.co/photo/44916/thumb/350?type=jpeg "to [slip] {one's} (mind|memory)")
to be forgotten or disregarded
一时忘了, 忘得一干二净
to no longer be angry with someone who wronged one and act as if nothing happened
原谅并翻篇, 既往不咎
![to [go] blank](https://cdn.langeek.co/photo/44912/thumb/350?type=jpeg "to [go] blank")
to fail to remember what one previously knew
脑子一片空白, 突然什么都想不起来
![to [fly] out of {one's} head](/assets/img/no-pic-700w.png "to [fly] out of {one's} head")
to be suddenly forgotten because of stress or panic
temporary loss of memory that is experienced by some people when they get old
年纪大了的健忘时刻, 上了年纪后的短暂失忆
(of something that happened) really difficult to remember how long has passed since it happened to one
湮没在久远的岁月中, 在岁月中模糊不清
