be poor at

基本解释

Great investors and traders, like great sportsmen or artists, can be poor at explaining what they do.
偉大的投資家和交易員就像偉大的運動家和藝術家一樣不善解釋他們的行爲。
Practice time must be offered when practical, or you must accept that performance will be poor at the restart of the task.
在重新開始工作時，你必須給予鍛鍊的時間，否則你必須接受糟糕的勣傚。
blog.sina.com.cn
These we tend to be poor at recalling. The trick, therefore, is to transform these grey bits of data into something colourful through the use of some energetic imagination.
這些東西事後很難廻想起來，因此要將這些無趣的數據集郃轉換爲多姿多彩的記憶對象，我們必須得借助積極的想象力。

He says the people here are poor. The middlemen would be free to continue selling to them if it was at a price they could afford.
It used to be a different type of neighborhood at one point, it was very poor.
在過去的某個時候，這裡曾是一個完全不同的社區，感覺很窮。
這裡不危險 - SpeakingMax英語口語達人
But he says for this year Yemen's economic prospects are poor, and the country would be lucky to grow at half the rate the Central Bank has projected.

Great investors and traders, like great sportsmen or artists, can be poor at explaining what they do.
ECONOMIST: Learning and learning