悲欢离合: joys and sorrows, partings and reunions, the vicissitudes of life...
电池: battery...
痛: ache, pain, sorrow...
迹象: mark, indication, sign, indicator...
没用: useless...
全场: everyone present, the whole audience, across-the-board, unanimously, whole duration (of a competition or match)...
绿灯: green light (traffic signal), permission to proceed...
因为: because, owing to, on account of...
出自: to come from...
试: to test, to try, experiment, examination, test...