61.have a hunch - have an idea based on feelings rather than reason
62.hold off - delay;postpone
63.hop to it - get started on something quickly
64.hit it off - get along well with someone
65.ill at ease - uncomfortable
66.in hot water - in trouble
67.in the air -uncertain
68.in the dark - keep someone without knowdge; information from somenoe
69.in the lone run - looking toward the future; eventually
70.ins and outs - all the details; the various parts and difficulties to be seen
71.iron out - remove the difficulties or find an answer for
72.jump to conclusions - arrive too quickly at a decision or opinion
73.keep an eye on - watch closely
74.keep one’sfingers crossed - wish that nothing goes wrong
75.keep on one’s toes - be ready for action; prepared
76.knock oneself out - make a great effort
77.learn the ropes - learn the rules and routines of a place or activity
78.little by little -gradually
79.make ends meet - to get just enough money for noe’s needs
80.make out - manage;get along