constrainKK [kənˋstren] /kənˈstɹeɪn/發音con- 共同、一起+strain 拉緊、束縛→一起拉緊、束緊展開收合con-字首共同、一起strain字根拉緊、束縛字面:一起拉緊、束緊把人或事緊緊束住 → 限制、約束,進而迫使動詞1限制、約束、局限常用被動Our research was constrained by a very tight budget.我們的研究受到極為緊縮的預算限制。2迫使、強迫正式He felt constrained to apologize in front of everyone.他覺得自己不得不當著大家的面道歉。3抑制、克制、壓抑She could barely constrain her anger during the meeting.開會時她幾乎壓抑不住怒氣。