-（高低的程度）height:
theheightofacliff;山崖的高低
thepitchofavoice声调的高低
-（高下）relativesuperiorityorinferiority;differenceindegree:
hardtotellwhichisbetter;难分高低
viewitheachothertoseewhoisbetter争个高低
-（深浅轻重）senseofpropriety;appropriateness;discretion:
notknowwhat'sproper;havenosenseofpropriety;不知高低
makeinappropriateremarks说话不知高低
-（无论如何）onanyaccount;just;simply:
Nomatterhowhardeveryonetriedtopersuadehim,hejustwouldn'tlisten.不管大家怎么劝说，他高低不听。
-（到底;终究）at(long)last:
Afterdaysofhardwork,theculvertwasatlastcompleted.经过几天的苦战，高低把涵洞修好了。
