重点讲解：
1. all the time
一直；始终；
eg. Psychiatrists face this painful dilemma all the time.
精神科医生无时无刻都面临这样痛苦的困境DK0f]btn3^4crddkK7c。
eg. I've kept on thinking about that all the time.
我一直惦记着这件事SQtI#^gPEBiw!S9。
2. used to do sth.
过去常常；过去曾做某事；
eg. Office farewells used to be special occasions.
办公室欢送会曾经是个特别时刻l8-B=bV#]Qwvt。
eg. They used to buy ten kilos of beef in one lump.
他们过去常买10公斤重的整块牛肉PdNIb33Akl。
3. all together
一起；总共；
eg. It has received 40 applications and anticipates a couple of hundred all together.
它已经接到了40份申请，并且预计总共会收到数百份申请]uttv&y[uc(~3@~)#Y。
eg. All together, there were fifteen people present.
总共有十五人出席pM|5ct+oP(gqfvS|#。