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1.be on the safe side - take no chances 2.be out of something - have no longer in supply 3.be tired of - be bored with ,frustrated with 4.be up to onesears - be extremely busy 5.be up to someone -be a persons responsibility 6.be out for -trying to get 7.be out of the question - be unacceptable ,impossible 8.bite off more than one can chew - take on more than one can handle 9.break down - cease to function 10.above all - most importantly 11.be on ones own - live independently 12.account for - explain 13.as a matter of fact - in fact ,to speak the truth 14.as a rule - generally ;normally 15.about to - be ready to;be on the point of doing something 16.an old hand - be an experienced person 17.any day now -soon 18.approach sb -talk to sb 19.be fed up with - be out of patience with | 
