词典释义：
perpetrate or carry out (a mistake, crime, or immoral act)
犯（错，罪）；干（坏事）
-
he committed an uncharacteristic error .他犯了个普通的错误。
pledge or bind (a person or an organization) to a certain course or policy
使（人，组织）作出保证；使承担义务；约束
-
they were reluctant to commit themselves to an opinion 他们不愿意发表意见
-
[with obj. and infinitive]
the treaty commits each party to defend the other 这项条约要求双方承担相互保护的义务
-
[no obj.]
try it out before you commit to a purchase .在你购买之前先试一下。
pledge or set aside (resources) for future use
拨出；把…留作将来用
-
manufacturers will have to commit substantial funds to developing new engines .制造商将不得不拨出大笔资金开发新型引擎。
(
订婚；决定与（某人）保持长期感情
-
she didn't love him enough to commit herself to him .她还没爱他到足以托付终身的地步。
(
与（某人）保持长期感情。
(
献身；投入
-
it is a modern Marxist party committed to democratic socialism .它是一个致力于民主社会主义的现代马克思主义政党。
send, entrust, or consign, in particular
交托，托付；托运，尤指：
consign (someone) officially to prison, especially on remand
把（某人）押交（尤指还押）；监禁
-
he was committed to prison for contempt of court .他因蔑视法庭而被关进了监狱。
send (a person or case) for trial in a higher court
把（人，案件）交付审判；收押候审
-
the magistrate decided to commit him for trial .地方法官决定把他交付审判。
send (someone) to be confined in a psychiatric hospital
把（某人）关进精神病院。
(
把（某事物）移交（给… 保管）；转化成（某一状态）
-
he composed a letter but didn't commit it to paper 他构思了一封信，但没有写下来
-
she committed each tiny feature to memory .她把每个细小的特征都记住了。
refer (a parliamentary or legislative bill) to a committee
把（议案，法案）提交委员会。
-
commit suicide kill oneself 自杀
-
commit oneself/sb to (doing) sth = be committed to (doing) sth 某人全身心投入某事
真题例句：
-
commit to (doing) sth 忠于；全心全意投入
真题例句：
"late Middle English： from Latin
