act as a guinea pig (to be the subject of a medical or other experiments) We are looking for a volunteer to act as guinea pigs for a new AIDS vaccine. Students in this school are to act as guinea pigs for the new teaching methods. act as …
Read More »cock and bull story
cock and bull story (a fanciful and unbelievable story) He told me a cock and bull story about being late. Do you expect me to believe that cock-and-bull story? cock and bull story – English Vocabulary
Read More »catnap
catnap (a short sleep) If I could take a catnap now, I would probably feel much better later on. When you are sleepless at night, avoid taking catnaps during the day. catnap – English Vocabulary
Read More »canon vs. cannon
canon vs. cannon canon (a generally accepted rule, principle, or law) People who violate the canon of decency should be dismissed. They had their own canon of fair play. cannon (an old type of large, heavy gun usually on wheels) There was an old cannon in the museum. They …
Read More »big-hearted
big-hearted (generous and very kind) Benjamin is in a big-hearted guy. He is a big-hearted person; he will never say no to you. big hearted – English Vocabulary
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