Who do you think you are?

　　The bus was crowded, and as one more man tried to get on, the passengers wouldn’t let him aboard.
　　“It is too crowded, “they shouted.” who do you think you are?”
　　“I am the driver.” he said.

　　你以為你是誰(shuí)？
　　公共汽車(chē)上很擠，當(dāng)又一個(gè)人還是試圖上車(chē)時(shí)，乘客們不讓他上。
　　“車(chē)上太擠了，”他們喊道，“你以為你是誰(shuí)？”
　　“我是司機(jī)！”他說(shuō)。

A note:
aboard: adv.在船(飛機(jī)、車(chē))上, 上船(飛機(jī)、車(chē))prep.在(船、飛機(jī)、車(chē))上, 上(船、飛機(jī)、車(chē)).
on board:到船上, 在船上
go aboard: 上船 (上飛機(jī)等)
All aboard! 請(qǐng)上船[飛機(jī)、車(chē)],都上來(lái)!