1. on reserve 不出借、为某些人保留
Additional reference texts were put on reserve at MIT's libraries.
拓展：put on reserve 被限制在馆内阅读、预留
book on reserve 须留的图书
2. booked up 订完了
（1）The theatre is booked up for every evening this week except Tuesday.
（2）I'm sorry. The hotel is booked up.
3. bound for 开往
（1）He stowed away on a ship bound for Vigo.
（2）Where are you bound for?
vi. 跳，弹跳； 限制； 接壤
vt. 给…划界，限制； 使弹回，使跳跃； 束缚
n. 界限，限制； 跃起； （球等的）反跳
adj. 用带子绑住的； 有义务的； 装订的，有封面的； [化，物]结合的
4. break down 失败；划分（以便分析）；损坏；衰弱下来；抛锚
（1）The police tried to break down the prisoner's opposition.
（2）The machine must break down at this busy hour.
5. break through 突围，突破；猛涨；攻破
（1）This very successful effort did not result from break through of technology.
（2）We attempted to break through the lines of the enemy.
（1）Registry offices and churches have been booked up for months.
（2）He put her aboard a steamer bound for New York.
（3）Under millions of feet, ancient stones wear out, ancient floors break down.
（4）It was quite some time before they break through the enemy's blockade.