bad at

基本解釋

Why is the military so bad at retaining these people?
軍方在保留這些人材方面為什么做得這樣差？
Why then, if communication is vital to our survival as individuals and to the institution of marriage, are we often so bad at it?
為什么會這樣，溝通對我們作為個體的生存和婚姻制度是否如此重要，我們通常在這方面如此糟糕？
Humans turn out to be really bad at starting from a simple linear chain of proteins; they need a rough idea of what the protein might look like before they can recognize patterns to optimize.
從一條簡單的線性蛋白質鏈起步時，人類的表現的確很糟糕；在識別出待優(yōu)化的模式之前，他們需要對蛋白質的樣子有個大致的了解。

An old ivy vine, going bad at the roots, climbed half way up the wall.
69KJ/moL Somewhere here, 569 over here, kilojoules per mole, 608 and by his formula he gets 608, which isn't bad, which really isn't bad at all.
在這兒，通過這個公式他得到，或許這并不壞，一點都不壞。
麻省理工公開課 - 固態(tài)化學導論課程節(jié)選
Oh, this professor is very bad at teaching, he doesn't even teach on the topic or
哦，這個教授教得很不好，他教的內容根本不在點上，或者
課程評價網站 - SpeakingMax英語口語達人

But companies are notoriously bad at evaluating their stock price, and tend to badly mistime buybacks.
FORBES: BP: $8 Billion Share Buyback After TNK-BP Sale Suggests Stock Is Cheap. Is It?