用法:
1 make or become black or very dark 使黑; 使变黑.

用法:
2 [Tn] say unpleasant things about (sth) 诋毁, 诽谤（某事物）:
blacken a person's character/name 诋毁某人的品格[名声].

• beyond the mark(beside/wide of the mark)
• bi-annual(biennial)
• bite sb's head off(snap sb's head off, eat one's head off)
• black-letter day(red-letter day)
• bored(boring)
• born(borne)
• both sides(either side)
• both … and(either … or)
• both(each)
• both(either)
• both(either)
• both(neither)
• both(two)
• break one's word(eat one's words)
• bright(brightly)
• bright(broad)
• bring down to earth(come down to earth)
• bring into being(bring into existence, come into being, come into existence)
• bring into blossom(bring into flower, come into blossom, come into flower)
• bring into contact (with)(come into contact (with))
• bring into disrepute(fall into disrepute)
• bring into fashion(bring into vogue, come into fashion, come into vogue)
• bring into focus(come into focus)
• bring into force(come into force)
• bring into line with(come into line with)