have only a vague idea of the situation underground
Related Translations:
若明若暗: be now open now covert; have a blurred [an indistinct] picture of; have a hazy notion about; semi-transparant; translucent
情况: 1.(情形) circumstances; situation; condition; state of affairs 短语和例子陈述自己的情况 state one's case; 全部情况 the whole circumstances; 健康情况 health condition; 在境况较差[优裕]的情况下 in reduced [well] circumstanc