介绍:
1) Loose Cannon
Terry never takes his wife out to social events because she is a bit of a loose cannon.
You never know what john is going to do because he is such a loose cannon.
Ben would not get in to so much trouble if he was not such a loose cannon.
Meaning: An unpredictable or uncontrolled person who is likely to cause unintentional damage.
Etymology: From the 17th century to the 19th century, wooden warships carried cannon as their primary offensive weapons. In order to avoid damage from their enormous recoil when fired they were mounted on rollers and secured with rope. A loose cannon was just what it sounds like, that is, a cannon that had become free of its restraints and was rolling dangerously about the deck.
2) Joshing
At my university there was a traditional of senior year students joshing the first year students.
Chris always likes to Josh Amy by stealing her lunch.
Elizabeth was joshing her mum when she hid her car keys.
Meaning: To play a trick on someone.
Etymology: it is based on the fact that back when the term was coined (1852) the name Joshua was a typically rural name. It's based on the stereotype that rural folk are more easily fooled or tricked.
3) Not Playing with a Full Deck
It is easy to trick Thomas because he is not playing with a full deck.
James makes a lot of mistakes at work because he is not playing with a full deck.
Sarah always makes fun of her brother and says he hasn't got a full deck.
Meaning: It means someone is not very smart
Etymology: A full deck of cards in this instant represents someone's mind.
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