MDBG Mobile Chinese English Dictionary (iPhone, Android, Windows Phone)

槽	cáo	trough / manger / groove / channel / (Tw) (computing) hard drive
低谷	dī gǔ	valley / trough (as opposed to peaks) / fig. low point / lowest ebb / nadir of one's fortunes
三马同槽	sān mǎ tóng cáo	three horses at the same trough (idiom, alluding to Sima Yi 司马懿 and his two sons); conspirators under the same roof
牛骥同槽	niú jì tóng cáo	cow and famous steed at the same trough (idiom); fig. the common and the great are treated alike / also written 牛骥同皂
潋	liàn	full of water / trough
波谷	bō gǔ	trough
槽头	cáo tóu	feeding trough in stable
饲槽	sì cáo	feeding trough
水落归槽	shuǐ luò guī cáo	spilt water returns to the trough (idiom); fig. people remember where they belong
浪谷	làng gǔ	trough of a wave / (fig.) low point; lowest level
牛骥同皂	niú jì tóng zào	cow and famous steed at the same trough (idiom); fig. the common and the great are treated alike
轧染机	yà rǎn jī	pressure roller used in dyeing trough