wean/win; wiːn/ v [T] to gradually stop feeding a baby on his or her mother's milk and start giving him or her ordinary food 使〔婴儿〕断奶
wean sb off sth to make someone gradually stop doing something, especially something that is bad for them 使〔某人〕戒除〔坏习惯〕: Dr Rossdale tried to wean her off the sleeping tablets. 罗斯代尔医生设法使她改掉吃安眠药的习惯。