from the knowledge you have in your memory
off the top of your head
to make an unsuccessful start in something
get off on the wrong foot
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 have a natural ability to do something well
have a good head for sth
hardly able to stand because of emotion, fear, illness, etc.
weak at the knees
to not share the same views as somebody about something
not see eye to eye with sb
to be very obvious to other people from the expression on somebody’s face
be written all over sb's face
to go to a higher position of authority than someone
to go over sb's head
to become able to act independently and with confidence
find your feet
o ask somebody a lot of questions about something because they know more about the subject than you do
pick sb's brains
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 have a lot of something to deal with
be up to your eyes in sth
to have a nervous feeling in your stomach before doing something
to have butterflies in the stomach
to play a joke on somebody, usually by making them believe something that is not true
pull sb's leg
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
to catch somebody in the act of doing something wrong or committing a crime
be caught red-handed
