vt.
(用诺言、誓言、保证、合同、契约等)约束(自己)；约定；许诺；保证；使负有责任(或义务)；对(债务等)给以担保：
She engaged herself to repay her debt within two months.
她答应在两个月内偿还她的债务。
[现只用于被动语态]使受婚约的约束，使订婚，同…订婚 (to)：
Jack is engaged to Ann.
杰克与安订了婚。
They were engaged last month.
他们上个月订了婚。
租；雇用；聘；得到帮助：
to