to play a joke on somebody, usually by making them believe something that is not true
pull sb's leg
to have a nervous feeling in your stomach before doing something
to have butterflies in the stomach
to have a lot of something to deal with
be up to your eyes in sth
to be going to die or stop functioning very soon; to be very weak or in bad condition
to be on your / its last legs
intuition
gut feeling
to pretend not to notice something bad that is happening, so you do not have to do anything about it
turn a blind eye
to become able to act independently and with confidence
find your feet
to go for a short walk after sitting for some time
stretch your legs
to catch somebody in the act of doing something wrong or committing a crime
be caught red-handed
to have a natural ability to do something well
have a good head for sth
to not share the same views as somebody about something
not see eye to eye with sb
from the knowledge you have in your memory
off the top of your head
o ask somebody a lot of questions about something because they know more about the subject than you do
pick sb's brains
hardly able to stand because of emotion, fear, illness, etc.
weak at the knees
to offend or upset someone, especially by getting something that that person wanted for himself or herself
put sb's nose out of joint
to be very obvious to other people from the expression on somebody’s face
be written all over sb's face
to be very strict in opposing what somebody wishes to do
put your foot down
to have a sensible and realistic attitude to life
have your feet on the ground
to make an unsuccessful start in something
get off on the wrong foot
to decide how to deal with a situation as it develops rather than by having a plan to follow
play by ear
to go to a higher position of authority than someone
to go over sb's head