走低

走低	zǒu dī	to go down / to decline
走	zǒu	to walk / to go / to run / to move (of vehicle) / to visit / to leave / to go away / to die (euph.) / from / through / away (in compound verbs, such as 撤走) / to change (shape, form, meaning)
低	dī	low / beneath / to lower (one's head) / to let droop / to hang down / to incline