To have a secret plan or idea.
Tener un plan o idea secreta. (Tener un plan o idea secreta.)
"Don’t worry, he has something up his sleeve for the project."
"No te preocupes, él tiene algo bajo la manga para el proyecto." (No te preocupes, él **tiene algo bajo la manga** para el proyecto.)
at risk; in danger of being lost
if you are determined, you can find a solution
Unable to go out or fly; restricted for a reason.
to decrease the amount of carbon dioxide and other greenhous...
To change direction or strategy to adapt to the market.
Mental calmness leads to happiness and contentment.