hang on - keep hold of; persevere; keep doing something
hard to come by - difficult to obtain

have a heart - have kind feelings; be understanding

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

hold off - delay; postpone

hop to it - get started on something quickly

hit it off - get along well with someone

ill at ease - uncomfortable

in hot water - in trouble

in the air -uncertain

in the dark - keep someone without knowledge; information from someone

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 one's fingers crossed - wish that nothing goes wrong

keep on one's 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 one's needs

make out - manage; get along

mean to - intentional; on purpose

might as well - to have no strong reason not to

next to nothing - almost nothing; very inexpensive

not to mention - in addition

off balance - unaware; off guard

on the go - working or doing something all the time

on pins and needles - nervous; anxious; full of anticipation

on purpose - deliberately; intentionally

on the blink - not working properly; broken

on the right track - thinking or doing something correctly

on the tip of one's tongue - to be about to remember something

once in a blue moon - rarely; almost never

out of it - not involved in