Rebecca
"Expert of something" should not be used. You can say "expert on something" or "expert in something". You can use "expert on something" to refer to a specific subject one is an expert on. "Expert in something" can be used to describe a field of study one is an expert in. Ex: She's an expert in education. Ex: He's an expert on teaching English.
03/13
1
What does "gravity centered" mean here? Is it an idiom?
"My gravity centered" here means "I am stable". "The center of gravity" is the point in an object or person where the wight of the object or person is equally distributed, so it is/they are "balanced" at that point. "Gravity centered" is specific to this song, not an idiom. Keep in mind that because this is art and a song, these lyrics are subject to different interpretations.
2
What does "brigade" mean?
A "brigade" is a subdivision in the army consisting of a group of soldiers. Ex: A few brigades came through the town this morning. Ex: He commands a brigade of 2,000 soldiers.
3
Can I say "wants to be friend with you" instead of "wants to be your friend"?
Yes, you can replace this here but "friend" must be plural. So instead of "wants to be your friend" you can say "wants to be friends with you". This is because as a verb, "friends" in the plural form means to befriend or become friends with someone.
4
why did he put 'do' before 'move' here? I think 'do' is not really necessary tho.
Here, "do" emphasises the contrasting, affirmative idea of when sloths <do> move, saying that it's significant. It emphasises the affirmative. This is what is called the "emphatic do." It's common in spoken English. When used in the past tense, "do" takes the past marker instead of the verb. Ex: Do come over for lunch. We'd love to have you. Ex: I <did> wash the car last week! Stop bothering me. => past tense = I washed the car last week! Stop bothering me. Ex: She doesn't play sports much. But when she <does> play sports, she's very good at it. Ex: Person A: I can see you really like to play sports. Person B: I <do> like to play sports, don't I?
5
Is there much difference in tone between "not really" and "no"?
I'd say "not really" is a softer version of "no." It's more gentle. But, it also depends on the tone you use when you say "no." Ex: No! You can't use my umbrella. Go away, Jerry! Ex: A ~ Do you like ice cream? B ~ Not really, no.
Complete the expression with a quiz!
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