例句：
1、 他的声音掩盖不了内心的担忧。
His voice betrayed the worry he was trying to hide.
2、“不必担忧。”他宽慰道。
'There's no need to worry,' he said soothingly.
3、许多父母都有同样的担忧。
A lot of mums and dads have the same worries.
4、 首先，你得对你担忧的理由好好地想想。
First, you have to think logically about your fears.
5、你似乎不再在乎，这令我担忧。
It concerns me that you no longer seem to care.