半数: half the number, half...
当场: at the scene, on the spot...
鲜明: bright, clear-cut, distinct...
看望: to visit, to pay a call to...
半夜: midnight, in the middle of the night...
几乎: almost, nearly, practically...
蒙: to cover, ignorant, to suffer (misfortune), to receive (a favor), to cheat...
环节: aspect (of a project), element (of a policy), sector (of the economy), stage (of a process) etc...
巧: opportunely, coincidentally, as it happens, skillful, timely...
一目了然: obvious at a glance (idiom)...
