口语课堂第105期:揭发人;袖手旁观
whistle-blower 揭发违规的人
According to whistle-blower,the company has been trapped in a serious financial problem for a long time.
据揭发，这个公司已经陷入财务危机很长时间了
to sit on one's hands 袖手旁观
He is really cold-blooded.A girl cried for help before him,but he just sat on his hands.
他真是个冷血的人。一个女孩在他面前哭喊着请求帮助，他却无动于衷。
They want to help raise money to fight can't sit on their hands.
他们想为抵制艾滋筹集点钱，他们没办法袖手旁观。
