with obj.
1
- cause (a material such as cloth, paper, or hair) to become white or much lighter by a chemical process or by exposure to sunlight漂白, 晒白; 使变成淡色：
a new formula to bleach and brighten clothing
漂白衣物并使其具有光泽的新配方
as adj. bleached permed and bleached hair.烫过并经处理变成淡色的头发。
1.1
- figurative deprive of vitality or substance〈喻〉使失去活力; 使失去实质内容：
his contributions to the album are bleached of personality.
他的曲目在收入这张唱片专辑时被弄得失去了个性。
2
- clean or sterilize (a drain, sink, etc.) with bleach用漂白剂给（排水管、水槽等）清洗, 消毒。
mass noun
- a chemical (typically a solution of sodium hypochlorite or hydrogen peroxide) used to make cloth, paper, hair, or other materials whiter and often also for sterilizing drains, sinks, etc.漂白剂; 消毒剂。
词源
Old English blcan (verb), blce (noun), from blc 'pale', of Germanic origin; related to BLEAK1 .