唯恐

wǒ wéi kǒng tā huì shēng qì

我唯恐他会生气。

I was afraid that he might be angry.

tā diǎn zhe jiǎo jiān zǒu lù wéi kǒng bǎ bìng rén jīng xǐng

她踮着脚尖走路，唯恐把病人惊醒。

She walked on tiptoe for fear of waking the patients.

wéi kǒng shì qing bù má fan

唯恐事情不麻烦

be anxious to stir up trouble

tā wéi kǒng hé tā yǒu qiān lián

她唯恐和她有牵连。

She was wary of getting involved with her.

tā xué xí fēi cháng yòng gōng wéi kǒng zài bān shang diào duì

她学习非常用功，唯恐在班上掉队。

She studies very hard for fear of falling behind in the class.