标示: to indicate...
帮手: helper, assistant...
叹气: to sigh, to heave a sigh...
坏事: bad thing, misdeed, to ruin things...
参与: to participate (in sth)...
匆匆: hurriedly...
一体: an integral whole, all concerned, everybody...
打雷: to rumble with thunder, clap of thunder...
磁带: magnetic tape...
调试: to debug, to adjust components during testing, debugging...
