A person who behaves unpredictably and may cause problems.
Una persona que se comporta de manera impredecible y puede causar problemas. (una persona que se comporta de manera impredecible y puede causar problemas)
"Be careful with him — he’s a loose cannon."
"Ten cuidado con él — es una persona impredecible." (ten cuidado con el es una persona impredecible)
to be in favor with someone
to remain calm and confident under pressure
to submit something to someone in authority
to gradually become more comfortable with someone or somethi...
to receive praise or recognition for something good
to avoid bringing up a problem that will cause trouble