●on the ˈupincreasing or improving提高；改进◆Business confidence is on the up.商业信心增强了。●on the ˌup and ˈup () () becoming more and more successful越来越好的◆Their company is on the up and up.他们的公司越来越红火。 ()
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on the level at level noun●ˌups and ˈdownsthe mixture of good and bad things in a particular situation兴衰；沉浮；起伏◆Every business has its ups and downs.每家企业都有兴衰起伏。break-up build-up catch-up clean-up drive-up follow-up gross-up heads-up high-up higher-up hold-up hook-up link-up lock-up make-up mock-up opening up run-up set-up shake-up sign-up slip-up start-up step-up summing-up take-up tie-up top-up voluntary winding up winding up write-up