1
[N-UNCOUNT 不可数名词]信奉;忠诚 Commitment is a strong belief in an idea or system.
2
[N-COUNT 可数名词]承诺;责任;义务 A
commitment is something which regularly takes up some of your time because of an agreement you have made or because of responsibilities that you have.
3
[N-COUNT 可数名词]承诺;许诺 If you make a
commitment to do something, you promise that you will do it.
[usu N to-inf]
[FORMAL 正式]
4
[N-VAR 可变名词]收监;送入医院 Commitment is the process of officially sending someone to a prison or to hospital.
in BRIT, use 英国英语用 committal