不定

She can't make her mind up what to wear.

她拿不定主意穿什么。

She was dithering over what to wear.

她拿不定主意穿什么好。

He simply can't make his mind up.

他就是拿不定主意。

a feeling of doubt and uncertainty

迟疑不定的感受

Both sides were troubled throughout by a capricious wind.

双方一直在为风向飘忽不定而苦恼。

The weather has been very mixed recently.

最近天气总是阴晴不定。

I am a bohemian. I have no roots.

我生活放荡不羁，漂泊不定。

The junk market has been unsettled for the past seven months.

过去7个月中废旧货市场一直起伏不定。

You choose, I can't decide.

你来选吧，我拿不定主意。

The flames guttered.

火苗摇曳不定。

His expressions varied from poker-faced to blank.

他的表情在一本正经和茫然惶惑之间变幻不定。

Like many parents, I am in two minds about school uniforms.

跟许多家长一样，我对是否该穿校服也拿不定主意。

Inside, she was a maelstrom of churning emotions.

她心中的情感似波涛汹涌，起伏不定。

For a minute he looked uncertain, and then recovered his composure.

有一小会儿他看上去有些迟疑不定，之后又恢复了镇定。

I've been on an emotional roller-coaster since I've been here.

自从我到了这里，情绪就起伏不定。