cross my heart (and hope to die)
said to show that what you have just said or promised is completely true or sincere
be all ears
be listening eagerly
Sounds fishy
making you feel that someone is lying or something dishonest is happening
pull oneself together
recover control of one's emotions
spill the beans
to tell people secret information
a bad egg
a person who is bad, dishonest, or unreliable
it's not rocket science
used to say that you do not think that something is very difficult to do or to understand
down in the dumps
unhappy
water under the bridge
used to refer to events that are in the past and consequently no longer to be regarded as important
head in the clouds
not being actively aware of your present situation, thinking in an illogical manner
be on the tip of your tongue
If something that you want to say is on the tip of your tongue, you think you know it and that you will be able to remember it very soon
call it a day
decide or agree to stop doing something
an arm and a leg
a lot of money
To feel blue
To feel sad