咽不下这口气。(Yànbúxià zhè kǒu qì.)I just can't let it go.

Explanation

“咽不下这口气”表示受了委屈，不愿意再忍耐了，用来说明对某事或某人很生气，不服气。
“咽不下这口气” means somebody who suffers from injustice does not want to be tolerant of it and feels angry.
Words:

老板láobǎn:boss;
谈谈tántán:talk.

Sentences

1、Jiă: Zuò le zhème duō shì hái bèi rén mà, wǒ shízài yànbúxià zhè kǒu qì.
甲：做了这么多事还被人骂，我实在咽不下这口气。
A: I just can't let it go that I have done so much but was abused by others.

Yǐ: Fànɡ xīn bɑ, zǒnɡ yǒu yì tiān tā men huì lí jiě nǐ de.
乙：放心吧，总有一天他们会理解你的。
B: Take it easy and they will understand some day.

2、Jiă:Tāmen tài qīfu rén le, zhàn le piányi hái mài guāi!
甲：他们太欺负人了，占了便宜还卖乖！
A: They took advantage of us and showed off.

Yǐ: Shì a, dàjiā dōu yànbúxià zhè kǒu qì, dǎsuàn zhǎo tāmen láobǎn hǎohao tántan.
乙：是啊，大家都咽不下这口气，打算找他们老板好好谈谈！
B: We just can't let it go and we will talk to their boss sooner.