in hot water - in trouble 　　in the air -uncertain 　　in the dark - keep someone without knowdge; information from somenoe 　　in the lone run - looking toward the future; eventually 　　ins and outs - all the details; the various parts and difficulties to be seen 　　iron out - remove the difficulties or find an answer for 　　jump to conclusions - arrive too quickly at a decision or opinion 　　keep an eye on - watch closely 　　keep onesfingers crossed - wish that nothing goes wrong 　　keep on ones toes - be ready for action; prepared 　　knock oneself out - make a great effort 　　learn the ropes - learn the rules and routines of a place or activity 　　little by little -gradually 　　make ends meet - to get just enough money for noes needs 　　make out - manage;get along 　　mean to - intentional; on purpose 　　might as well - to have no strong reson not to