唯恐的用法和样例：
例句
-
他们那时听不到她的消息，唯恐发生了最糟的事。
When they did not hear from her, they feared the worst. -
我突然停住，唯恐他会认为我是在炫耀。
I stopped suddenly in case he should think that I was showing off. -
他继续往下谈，唯恐显露出内心的不安来。
He went on talking, lest he should expose his uneasiness. -
他们低声说话，唯恐被别人听见。
They spoke in whispers lest they should be heard.
