1. It''s a good chance to broach the subject.
    这是开始提出那个问题的好机会。

2.

2. He broached a barrel of cider.
    他钻孔开了一桶苹果酒。

3. She broached the subject of a picnic to her mother.
    她向母亲提起野餐的问题。

1. 拉刀：这个制程是单点钩削法(cut rifling)的改良,使用拉刀(broach),边拉边转,一次同时把数条膛线切削出来. 早期制法要换拉刀拉削多次,每次拉刀都比前一次大一点,逐渐增加阴膛线深度;现代则在同一支拉刀上有多组刀模,后面的刀模比前面的要大一点,

2. 骨髓针,倒刺针：bristle probang 马鬃除鲠器,食道除鲠器 | broach 骨髓针,倒刺针 | broad 宽的,宽处

3. 烧肉叉：britzka 敞篷马车 | broach 烧肉叉 | broad arrow 宽箭头

4. 拉力：bright controlling 光度控制 | broach 拉力 | broaching machine 拉床

1. 提出，引入（尤指敏感话题）
    When you broach a subject, especially a sensitive one, you mention it in order to start a discussion on it.

    e.g. Eventually I broached the subject of her early life.
           最后我提到了关于她的早年生活的话题。

1. a decorative pin worn by women

    Synonym: broochbreastpin

1. bring up a topic for discussion

    Synonym: initiate