direction; orientation; to face; to turn toward; to; towards; shortly before; formerly; to side with; to be partial to; all along (previously); surname Xiang[cedict]
纵深
zòng shēnㄗㄨㄥˋ ㄕㄣ
in depth (of the battle)[cedict]
必须
bì xūㄅㄧˋ ㄒㄩ
to have to; must[cedict]
控制
kòng zhìㄎㄨㄥˋ ㄓˋ
control; to exercise control over; to contain[cedict]