例句：
1、 他的聲音掩蓋不了內(nèi)心的擔憂。
His voice betrayed the worry he was trying to hide.
2、“不必擔憂。”他寬慰道。
'There's no need to worry,' he said soothingly.
3、許多父母都有同樣的擔憂。
A lot of mums and dads have the same worries.
4、 首先，你得對你擔憂的理由好好地想想。
First, you have to think logically about your fears.
5、你似乎不再在乎，這令我擔憂。
It concerns me that you no longer seem to care.