1.attack dog 警犬
例句:The officer’s attack dog has saved his life many times.
這位警察的攻擊犬多次救了主人的命 。
2.broken into 破門(mén)而入
例句:Someone has broken into our house.
有人闖入我們家了 。
3.buff up 提高;擦亮
例句:Grind it using a fine emery paper or buff it up.
請(qǐng)用細(xì)砂紙或銼刀研磨,或者用拋光器磨光 。
4.security door 防盜門(mén)
例句:With the security door so firm that nobody can break in.
防盜門(mén)這么結(jié)實(shí),沒(méi)有入能闖進(jìn)來(lái) 。