jam

甜食sweet food

1.[u][c]果酱a thick sweet substance made by boiling fruit with sugar, often sold in jars and spread on bread

人多；车多many people/vehicles

2.[c]拥挤；堵塞a situation in which it is difficult or impossible to move because there are so many people or vehicles in one particular place

机器machine

3.[c]卡住（因而发生故障）a situation in which a machine does not work because sth is stuck in one position

be in a jam

陷入困境to be in a difficult situation

jam tomorrow

可望而不可即的美好未来；许而不予的好东西good things that are promised for the future but never happen

用力推push with force

1.[t]~ sth + adv./prep.使劲（往某处）挤（或压、塞）to push sth somewhere with a lot of force

停止移动╱运转stop moving/working

2.[i][t]（使）卡住，不能动弹，不能运转to become unable to move or work; to make sth do this

塞进put into small space

3.[t][i]塞入；塞进；挤进to put sb/sth into a small space where there is very little room to move

挤满人╱物fill with people/things

4.[t]~ sth (up) (with sb/sth)挤满；塞紧to fill sth with a large number of people or things so that it is unable to function as it should

jam on the brake(s)|jam the brake(s) on

猛踩刹车to operate the brakes on a vehicle suddenly and with force

1.果酱

2.拥挤,阻塞

3.【无线】干扰,失真

4.〈美口〉困境,窘境;和警察等口角

5.(机器等因拥塞)轧住,停顿

6.〈美俚〉一举手之劳的事情

7.〈俚〉奢侈;酒席,好菜

1.【无线】干扰

2.(把...)挤进,塞进

3.制成果酱

4.使(机器等)轧住,使卡住,使塞满

5.轧伤,压碎

6.使(通道等)堵塞

7.给...涂上果酱

8.【无线】干扰

9.塞满,拥挤;挤进

10.楔紧;(机器等)轧住不动

11.〈美俚〉改奏即兴爵士音乐活跃空气,参加爵士音乐演奏会

12.(在一个集体中)拼命工作,玩命干

1.a sweet sticky food made from boiled fruit and sugar that is usually spread onto bread

2.a long line of vehicles that are not moving, or are moving very slowly

3.an occasion when a machine does not work because something prevents its parts from moving

4.a difficult situation

5.a jam session

1.to push someone or something somewhere using a lot of force

2.if people or things jam a place, there are so many of them that it is difficult to move

3.if a machine, lock, window, etc. jams, it does not work because something stops it from moving; to block something so that it stops working or moving

4.if a telephone system jams or is jammed, it stops working because too many people are making calls at the same time

5.to block a radio, television, or other electronic signal by broadcasting another signal on the same wavelength

6.to injure part of your body because it gets pressed or squeezed between two hard things

7.to play music in an informal way with a group of people