介绍:
1) Play by ear
-Jim never prepares for presentations, he just plays by ear.
-Hayley forgot to write down her interview questions and just decided to play by ear.
-Some people can play Chopin's music by ear.
Definition: to improvise;
Etymology: from the 1950s, from being able to play a piece of music just after listening to it.
2) Raise/Lower the bar
-Su Bingtian has raised the bar for all Chinese track athletes, no longer will getting 10 seconds in 100m be good enough.
-The Transformer movies have lowered the bar for American filmmaking.
-Just as I was getting accustomed to my job, the manager raised the bar, so I had to perform better.
Definition: Setting a new standard
Etymology:As with raising the bar in high jumping or pole vaulting
3)In a jam
-Harry got in a jam when his car started slipping on the slippery slope.
-Calvin got into a jam when he got robbed on holiday
-Jennifer got in a jam after being kidnapped and held for ransom.
Definition: a difficult situation
Etymology: to become stuck, wedged, fixed, blocked, etc.
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