托福常用短语（j）

Jack¹ of all trades 似乎什么都懂的人

jolly dog(guy) 乐天派

jump on sb 向某人乱发脾气

jump the battery 充电

jumping the gun 迫不及待

just a minute 等一等;就来了;且慢

just as well 不如做某事也可

Just as you say. 好吧,随你的便

just follow suit 照办;跟进去

just for the fun of it 只不过好奇罢了

just the ticket, be 正是所需的

just too bad 太可惜;真糟糕

just what the doctor ordered 正合我的心意

1 jack   

n.插座，千斤顶，男人；v.抬起，提醒，扛举；n.（Jake）杰克

参考例句：

• I am looking for the headphone jack.我正在找寻头戴式耳机插孔。
• He lifted the car with a jack to change the flat tyre.他用千斤顶把车顶起来换下瘪轮胎。