concealvt. 隱藏、掩蓋、隱瞞隱匿、保守秘密學術名詞隱蔽:電機工程、電力工程隱藏:電機工程、電力工程隱瞞:資訊、機械工程不告知:資訊、機械工程英文釋義prevent from being seen or discoveredhold back; keep from being perceived by others