Make a speciality of
专门研究…,使…成为专长
🧩 词语组成解析
make
[mek]
vt. 做，制造;生产，制定;使成为;使产生;
vi. 开始;尝试;行进;增大;
n. 制造;生产量;性格;形状，样式;
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
🗣️ 情景例句
Who's this?
你是谁？
Save a thief from gallows and he will help hang you.
放虎归山。
Imagine a railway station, a bus company or a cinema, which many people need to ring to find out the times of trains, buses or films.
想一想，有许多人需要打电话到火车站、汽车公司或电影院，以便弄清火车、汽车的起始时间或电影放映的时间吧。