…不…由你。（…bù/bú…yóu nǐ.）It’s up to you to do sth. or not.

Explanation

这个结构“动词 不 动词 由你”中“不”字前后用同一个动词（一般是一个汉字），意思是“做不做由你自己决定”，例如“看不看由你”意思是“看还是不看，由你自己决定”；“吃不吃由你”意思是“吃还是不吃，你自己决定”。
In the structure “verb 不（bù/bú） verb 由你（yóu nǐ） ”, the two verbs used here are actually the same one (usually a single syllable verb). The structure means “it’s up to you to do sth. or not”. For example, “看(kàn)不看由你” means “It’s up to you to see it or not.” “吃(chī)不吃由你 ” means “It’s up to you to eat it or not.”
Words:

工资ɡōnɡzī:wag;
老婆lǎopo:wife;
周末zhōumò:weekend.

Sentences

1、Jiă: Tā měigè yuè de gōngzī yíwàn yuán, zhè zěnme kěnéng?
甲：他每个月工资一万元，这怎么可能呢？
A: His monthly wage is 10,000 yuan. How come?

Yǐ: Wǒ tīng tā lǎopo shuō de, xìn bú xìn yóu nǐ!
乙：我听他老婆说的，信不信由你！
B: Believe it or not, his wife told me that.

2、Jiă: Wǒ běnlái dǎsuàn zhōumò zài jiā xiūxī de, kě tīngshuō nà bù diànyǐng hěn yǒu yìsi, bùzhīdào gāi bù gāi qù kàn diànyǐng.
甲：我本来打算周末在家休息的，可听说那部电影很有意思，不知道该不该去看电影。
A: I had planned to stay at home this weekend. But I heard that film was very interesting. I don’t know whether I should go to see that film or not.

Yǐ: Qù bú qù yóu nǐ. Děng nǐ juédìng le zài gàosù wǒ.
乙：去不去由你！等你决定了再告诉我。
B: It’s up to you. Let me know if you make up your mind.