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