探ㄊㄢˋtàn察ㄔㄚˊchá

探求察問。《三國演義·第三一回》：「卻說曹操自倉亭大勝，重賞三軍，令人探察冀州虛實。」似偵視

英to investigate, to observe, to scout, to seek out and examine, to explore