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TO DO ONE'S BESTverb
?to try as hard as possible? He didn't get a perfect score, but he did his best and that is what really matters.
? No one expects you to do the job perfectly. Just do your best.? We did our very best to give our kids a good education.
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HEAR SOMETHING ON THE GRAPEVINEnoun
?1. to hear rumours about something 2. to hear some news from someone who heard it from someone else? We keep hearing it on the grapevine that the two co-stars of that movie are getting married, but they are not saying anything.
? We heard on the grapevine that our company would be taken over by another one, but the official communication says otherwise.
? I heard through the grapevine that he was leaving - is it true?
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SEE NO EVIL, HEAR NO EVIL, SPEAK NO EVILproverb
? ignore any evil that we come in contact with.? He is taking a ‘hear no evil, see no evil’ approach to being the Minister of Health.
? Jill: Do you have any idea why Fred is staying in the office so late every night? Jane: Not me. Like the three little monkeys, I see no evil, hear no evil, speak no evil. ???

TO LOOK INTOverb
to seek information about; to investigate? He had once looked into buying his own island off Nova Scotia.
? It should also look into the possibilities of wind-generated electricity.
? We are looking into buying a camper for our summer trip.
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TO RUN INTOverb
?to meet (someone) by chance? I hadn't seen him in months, but I ran into him at the supermarket last week.
? Guess who I ran into today!
? Oh, I didn't tell you that I ran into Mary when I was at the movie theater.
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TO THINK SOMETHING OVER?to consider (something) carefully? I probably won't accept the job offer, but I am still thinking it over.
? She said she needs time to think it over.
? I'll give you time to think my offer over. ?

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PLAY FIRST FIDDLE? To have a leading, commanding, or controlling role, position, or part.

? Ever since the power shift in Congress, Senator Smith has been playing first fiddle in the agenda for tax reforms.
? In his eyes father plays first fiddle in the family
? Though she's had many small parts in a variety of films, this is the first movie that sees Ms. Warren playing first fiddle. ?

TO LEAVE NO STONE UNTURNED? to look everywhere; to attempt everything

? We left no stone unturned in our search for the city's best hot dog.
? If a solution can be found, Mr Danby, I shall leave no stone unturned until I have found it.
? But knowing him and his dedication, he will leave no stone unturned in his recovery
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