拿不定主意。(Nábúdìng zhǔyi.)Halt between two opinions; be of two minds; hesitate about doing something

Explanation

“拿不定主意”通常指“做不了决定，下不了决心，左右摇摆”。
“拿不定主意”(Nábúdìng zhǔyi .)usually refers to someone cannot make decisions or halt between two opinions.
Words:

决定juédìnɡ:decision;
决心juéxīn:resolution.

Sentences

1、Jiă: Wǒ dǎ diànhuà wènwen tā juédìng hǎo qù nǎli lǚxíng le méiyǒu.
甲：我打电话问问他决定好去哪里旅行了没有。
A: I will call him to ask whether he has decided wher to go for the trip.

Yǐ: Bié zhǐwàng tā néng zuòchū juédìng, zài zhòngyào shìqing shàng tā hǎoxiàng zǒng nábúdìng zhǔyi.
乙：别指望他能做出决定，在重要事情上他好像总拿不定主意。
B: Don’t depend on him. He always seems to be of two minds on important matters.

2、Jiă: Zhè liǎng tiáo qúnzi wǒ dōu hěn xǐhuan, nábúdìng zhǔyi mǎi nǎ yì tiáo.
甲：这两条裙子我都很喜欢，拿不定主意买哪一条。
A: I cannot decide which one to buy because I like both of the two skirts.

Yǐ: Rúguǒ dōu xǐhuan, jiù dōu mǎi le ba.
乙：如果都喜欢，就都买了吧。
B: If you like both, you should buy both of them.