beat at的用法和樣例：
例句
用作及物動(dòng)詞 (vt.)
- She is pecking away at the keys of a typewriter.
她不停地敲打著(zhù)打字機的鍵。 - He knocked at the door and entered.
他敲了敲門(mén)便走進(jìn)去了。
詞匯搭配
- beat someone at his own weapon 以彼之矛攻彼之盾...
- beat someone at his own weapons 以彼之矛攻彼之盾...
- beat someone at his own game 在某人的擅長(cháng)的活動(dòng)上...
