/lɪ'eɪzn; [US] 'lɪəzɒn; `lɪə,zɑn/
n
1 [U] communicationand co-operation between units of an organization 组织内单位间的交流与合作
*excellent liaison between our two departments 我们两部门间出色的合作
* [attrib 作 定语] a liaison officer 联络官.
2 [C] (often derog 常作贬义) person who liaises 联络人; 掮客.
3 [C] (often derog 常作贬义) illicit sexual relationship 私通; 通奸
*a brief liaison 短暂的姘居.

n
[Date: 1600-1700; Language: French;Origin: lier 'to tie']
[singular, U]
the regular exchange of information between groups of people, especially at work, so that each group knows what the other is doing
liaison between
　close liaison between the army and police
liaison with
　better liaison with other agencies
in liaison with sth
　The project has been set up in liaison with the art department.
alsoliaison officer[C]
someone whose job is to talk to different departments or groups and to tell each of them about what the others are doing
liaison to
　Renee Ball, liaison to the State Parks Authority
[C]
asecret sexual relationship between a man and a woman, especially a man and a woman who are married but not to each other
→affair