81.mean to - intentional; on purpose

　　82. might as well - to have no strong reson not to

　　83. hang on - keep hold of; persevere;keep doing something

　　84. hard to come by - difficult to obtain

　　85. have a heart - have kind feelings; be understanding

　　86. have a hunch - have an idea based on feelings rather than reason

　　87. hold off - delay;postpone

　　88. hop to it - get started on something quickly

　　89. hit it off - get along well with someone

　　90. ill at ease - uncomfortable

　　91. in hot water - in trouble

　　92. in the air -uncertain

　　93. in the dark - keep someone without knowdge; information from somenoe

　　94. in the lone run - looking toward the future; eventually

　　95. ins and outs - all the details; the various parts and difficulties to be seen

　　96. iron out - remove the difficulties or find an answer for

　　97. jump to conclusions - arrive too quickly at a decision or opinion

　　98. keep an eye on - watch closely

　　99. keep one’sfingers crossed - wish that nothing goes wrong

　　100. keep on one’s toes - be ready for action; prepared

　　101. knock oneself out - make a great effort

　　102. learn the ropes - learn the rules and routines of a place or activity

　　103. little by little -gradually

　　104. make ends meet - to get just enough money for noe’s needs

　　105. make out - manage;get along

　　106. mean to - intentional; on purpose

　　107. might as well - to have no strong reson not to