查询词典 be poor at

We can get poor performance, much as if we didn't have an index at all.

我们得到很差的性能，很大可能是因为我们根本没有一个索引。

When I last saw him, he was as poor as a church mouse.

我上次见到他的时候，他已经一贫如洗了。

He's as poor as a church mouse .

他是个穷光蛋！

I am as poor as a Church mouse.

我穷得像教堂里的老鼠。

I ' m as poor as a church mouse .

我现在一贫如洗。

S impossible for you to borrow money from him, for he is as poor as a church mouse.

他一贫如洗，你不可能从他身上借到钱。

You want to borrow money from him He is as poor as a church mouse .

你想向他借钱他一贫如洗。

He's now as poor as a church mouse again.

他现在又一贫如洗了。

I thought you were penniless. You haven't been as poor as a church mouse.

我原以为你已经身无分文了，你还没到山穷水尽的地步嘛。

Now I am as poor as a church mouse, he complained.

我现在真是一贫如洗啊，他抱怨说。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。