临场línchǎng 1.在考场参加考试;在竞赛场地参加竞赛{sit an examination (in specific location); enter a competition (in a competition venue)}: 缺乏～经验{lack field experience}|～要沉着镇静。{It's important to remain calm and cool-headed during a competition or an examination.} 2.亲自到现场{be personally present}: ～指导。{render on-the-spot guidance}