* signal = 신호/ tap = (가볍게) 톡톡 두드리다(치다)/ just in time = 마침 좋은 때에[영작]1. 그 사이렌은 모든 사람들에게 그 건물을 떠나라는 신호였다.The siren was a signal for everyone to leave the building.
2. 그는 자기 전화가 도청당하고 있다고 확신했다.He was convinced his phone was being tapped.
