to figure out something by reasoning
etwas durch logisches Denken herausfinden (etvas durkh logishes denken herausfinden)
"He put two and two together and realized she was lying."
"Er kombinierte die Hinweise und erkannte, dass sie log." (er kombinierte di hinvaise und erkante dass zi log)
to improve relationships between people
to reach a stage of maturity or full potential
someone who spoils the fun of others
liable to be misused or exploited
an event where people meet and introduce themselves
in an uncertain or unstable situation