boring

1. ADJ Someone or something boring is so dull and uninteresting that they make people tired and impatient. 乏味的

Not only are mothers not paid but also most of their boring or difficult work is unnoticed. 母亲们不仅得不到报酬，而且所干的乏味艰辛的活儿也很少被留意。

2. N the act or process of making or enlarging a hole 钻孔; 扩洞

3. N the hole made in this way 钻成的孔; 扩大的洞