1)by any stretch of the imagination：it's used to emphasize a negative point 用于强调否定
2)the final stretch：the last part/尾声
I’m not fluent in English by any stretch of the imagination, nor am I in the final stretch. I wonder how many more years it is going to take me to get there! Probably a lifetime! I’m just grateful that I found a teacher like Mr. Bob who always makes my endless race more enjoyable! Thank you, awesome teacher!👨🏼🏫❤️👨🎓
3)bite the tongue: 忍住不说话；极力克制自己，强忍着不说
What he had done really made me angry, but I bit my tongue.
他所做的事情确实让我很生气，但我还是强忍着不说。
4)bite the dust:
a.一败涂地；败者食尘
Thousands of small businesses bite the dust every year.
每年都会有数以千计的小企业失败倒闭。
b.某些东西彻底坏掉了（尤指电器，机械类老化坏掉）
My car finally bit the dust.
我的车最终还是报废了。
5)bite the bullet: 忍痛做某事；咬紧牙关，忍痛面对=set one's teeth/grit one's teeth
Though it is difficult to achieve, you have to bite the bullet.
虽然这件事情很难实现，但你仍要咬紧牙关，坚强面对。
6)get under way: 开动；开始进行；启动
Don's story unfolded as the cruise got under way.
唐的故事随着航游的开始而漫漫展开了。
7)out of hand: 无法控制；脱手；告终；立即
I initially dismissed the idea out of hand.
我起初不假思索地一口否决了这个主意。
8)It is not adding up:不合乎情理
=It is strange; It is suspicious; It is unnatural
9)go through the motions: 走过场；装装样子
source
10)take stock of: 观察；估量；盘点
You need to sit down and take stock of all the factors in a situation before making a decision.
11)go over the top: 超出限额；做过头
=go too far; go beyond a reasonable limit
I think our teacher goes over the top with the amount of homework that he usually gives us.
12)pull strings: 在幕后操纵；走后门
John used the influence of his friends and family in order to get the job.
=John pulled strings in order to get the job.
13)stand sb. up: 放某人鸽子
She stood me up again, and I don't want to date her anymore.
她又放我鸽子了，我以后再也不想和她约会了。
被放鸽子：be/get stood up
I don't know if I've been stood up or if she's just late.
我不知道她是故意放我鸽子的，还是她只是迟到了。
14)blow someone off: 不认真对待；不理会某人（也有放鸽子的意思）
Don't blow me off. Otherwise you are done.
你别放我鸽子，要不然你就完了。
15)hang in there: continue trying and surviving 坚持下去
I know things are tough, but hang in there!
16)make a scene/create a scene: （吵架）当众大吵大闹
You just blew up again to get so angry that you create a scene or outburst.
你再次生气爆发以致当众大吵大闹出丑。
17)break in: 磨合；使逐渐习惯
Before our hike, we need to break in our new boots.
在徒步旅行之前，我们需要磨合我们的新靴子。
18)sneak peek: 先睹为快；快速前瞻
A 'sneak peek' is a chance to see something before it is officially released or available.
Check out this reel with a sneak peek of the new Marvel movie.