一筹莫展的英文：
[Literal Meaning]
one/plan/not/carry out
cannot carry out any plan

[解释]
一点办法也没有。

[Explanation]
to have no idea about

[例子]
如何科学处理垃圾，科学家们都一筹莫展，谁也提不出最好的办法。

[Example]
As to how to deal with rubbish, scientists all have no idea and cannot propose the best solution.

[英文等价词]
at one's wit's end
be nicely land
not a shot in one's locker

mel looked baffled
梅尔有点一筹莫展的样子。

He was stranded in the middle of nowhere.
他身在茫茫荒野中，一筹莫展。

She stood there helplessly crying.
她站在那儿一筹莫展地哭泣着。

I was left stranded penniless in a strange city.
我流落在一个陌生的城市里，身无分文，一筹莫展。

During the negotiations the opposing faction had us over a barrel.
在谈判中，那个对抗的派别使我们一筹莫展。

He had approached every friend and acquaintance for help in vain and he was at his wit's end.
他曾向每位朋友和熟人求助，但毫无结果，那时他真是一筹莫展。

The police are confounded by the seeming absence of motive—not for the murder itself—but for the atrocity of the murder
由于表面上找不到动机——不是杀人的动机——而是杀人手段这么毒辣的动机，警察局竟弄得一筹莫展。

Again Calchas revealed the cause of the trouble, and agamemnon most sullenly restored the girl to the priest
先知卡尔卡斯又一次透露了瘟疫产生的原因。于是，一筹莫展的阿佃门农只好把姑娘还给了祭司。