使担忧的英文：
weigh on ;weigh upon

参考例句：

The inexplicable disappearance of the woman worried everyone.
这个女人的失踪令人费解，使大家十分担忧。

I fear lest we commit an inexcusable blunder.
我为我们会犯不可原谅的错误而担忧。

Fear not the future; weep not for the past
不要为未来担忧,不要为过去悲泣

The worry tends to have less to do with the people involved than it has to do with the policy in place.
这种担忧与其说是与参与此类活动的人有关，倒不如说更与此项政策是否合适有关。

I finally know what distinguishes man from the other beasts:financial worries.--Jules Renard, French playwright
我终于明白人与野兽的区别在于:人为钱而担忧。法国剧作家勒纳尔

the bugbear of rising prices
对物价上涨的担忧

I fear for your safety.
我为你的安全担忧。

The shepherd began to worry.
这个牧师开始担忧了。

I'm uneasy in my mind about the future.
我为前途担忧。

Fear for sB.'s safety
为某人的安全担忧

weigh是什么意思：
v. 称…的重量；起锚；重达；考虑；有…重；重；有影响
link-v. 重达

the literal meaning of ponder is

The ship weighed early.
那船一早就起锚走了。

The theft weighed on his mind.
赃物成了他思想上很大的负担。

The wealth did not weigh on me.
这笔财富不再使我感到沉重。

You should weigh up the situation.
你应该估量一下形势。

upon是什么意思：
prep. 在...上；紧接着；逼近；根据；走上...；爬上...

He stepped upon the alter.
他走上圣坛。

To bear hard upon;press.
使痛苦不堪对某人施加困难；逼迫

press hard upon
进逼|压迫|穷追

call upon; call on
应用;访问;号召;呼吁

Lay stress on / upon
着重,重视