better at的用法和樣例：
例句
- Is your father any better at all?
你父親有些好轉嗎? - Some players are better at defending.
有些運動員較擅長打防衛。 - I am better at math than English.
和英語相比我更擅長數學 - At the new school he'll have room to get better at English.
在新學校里，他的英語水平有可能會提高。 - Don't do that; you ought to know better at your age.
別干那事，你在這個年齡，你該學得乖一點了。
