(only) time will/can tell
used to say that the truth or a result will only be known in the future after events
have happened
Only time will tell whether we made the right decision.
To keep/break promise
If I make a promise, I like to keep it.
Break smb’s
heart
He's broken a lot of girls' hearts.
greet/welcome
sb
with open arms
to show someone that you are very pleased to see them
social/political/economic change
sink like a stone
-to
fail completely
His latest novel sank like a stone.
keep
your
distance
I've tried being friendly but she keeps her distance.
keep a cool head -to stay calm in a difficult situation
I don't
know how you manage to keep
such
a cool head in such a hectic, stressful office!
save/keep
money for a rainy day -
Luckily she had saved some money for a rainy day.
Speak when you're spoken to!
SAYING
said to a child to tell them not to speak if no one speaks to them first
I heard/I could
hear someone call
ing
my name.