occasionally -- sometimes occupy one s time -- wait a long time odd -- surprise Of course not (mind). -- welcome Oh, no. -- sorry on edge -- nervous on end -- continuously // for some time // for quite a while on my own -- herself on one s own -- (by) oneself on the courtyard -- outside on the news -- on television on the second floor // take the stairs up -- on the floor above on time -- avoid being late on your desk -- in an office once // no longer -- not anymore once and again // from time to time // on and off // off and on -- sometimes // occasionally One day s as good as the next. -- He s available any day. one in a million -- rare one more -- another one step at a time -- gradually One s job search was unsuccessful. -- sb. was unable to find a job. one s schoolwork be suffering -- be interfering with one s studies only -- part only a couple of times -- twice // two times only a ten-minute walk -- not need to take a car only occasionally -- once in a while only sb. can t -- almost everyone can only three of ... -- most of ... not only try to help -- One s intention be good. optional -- sb. can do sth. ... if sb. wants to organize -- take care of other than -- except ought to be easier // unless -- might be difficult out of breath // run // rush -- hurry out of date -- up to date out of it // in another world -- think only about out of order -- not work // break down out of print for sometime now -- no longer available out of the way -- finish out of this world -- delicious // like sth. very much outcome -- result outgoing -- friendly out-of-date -- up-to-date outstanding -- good over -- end over one s head -- beyond sb. // not understand overcome her fear of public speaking -- not afraid to give a speech oversleep -- absent oversleep // on time // in a hurry // inside out -- be rushed