break into sth (a) enter sth by force 強行進入某處 His house was broken into (eg by burglars) last week. 上星期有人闖入他的房屋（如竊賊）. (b) suddenly begin (to laugh, sing, cheer, etc) 突然開始（大笑、唱歌、歡呼等） As the President's car arrived, the crowd broke into loud applause. 總統的汽車到達時, 群眾中爆發出熱烈的掌聲. (c) suddenly change (from a slower to a faster pace) 突然改變（由慢到快） break into a trot/canter/gallop （馬）突然改成小跑[慢跑/飛跑] The man broke into a run when he saw the police. 那人一見到警察, 拔腿就跑. (d) (of an activity) use up (time that would normally be spent doing sth else) （指活動）用去（應做其他事情的時間） All this extra work I'm doing is breaking into my leisure time. 我目前的這一切額外工作用去了我的閑暇時間. (e) use (a banknote or coin of high value) to buy sth costing less 使用（大面值的鈔票或硬幣）購買低於該面值的某事物 I can't pay the 50p I owe you without breaking into a 5 note. 我得把一張5英鎊的鈔票兌開, 才能把欠你的50便士付給你. (f) open and use (sth kept for an emergency) 動用（應急儲備物資） break into emergency supplies of food 動用應急儲備的食物.