"To catch someone off balance" - to surprise someone who is not prepared
"The security guard was able to catch the thief off balance."
"The teacher tried to catch the students off balance with the difficult question."
"Time and a half" - a rate of pay for workers that is one and a half times one's regular hourly wage
"The supermarket workers receive time and a half when they work during the weekend."
"The workers begin to get time and a half after they work for eight hours."
Source: VCC Learning Center.
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