How do you spell this out? I want to know the common way of spelling of these years; Early 2000s Mid 1900s Thank you in advance.

What's the difference among these words? I am confused about how the differences among these words are. The frequency of use? The difference in minute nuance? 1. obstacle 2. hindrance 3. interference 4. hamper 5. cumber

Which sentence is more natural? Which sentence do you think is more natural in daily conversations? Thank you in advance! 1. A) I'm not usually using hair conditioner when I take a shower. B) I don't usually use hair conditioner when I take a shower. 2. - Could you grab a sheet of paper in that box? A) OK... Oh, I can't see any papers here. B) OK... Oh, I don't see any papers here.

Does this sentence sound natural? I said, "His room is at the very last door on this hallway." when I lead someone to my neighbor's room. Was this correct?

What does this sentence mean? In what situation do you use this phrase? "More or less is fine." I know I can use this in a situation like, "To make cookie dough, put 100 grams of sugar into the melted butter. But more or less is fine." My question is if I can also say this phrase, for example, when I ask someone the date and time she/he would available to have a meeting?

The meaning of "even to this day." In what situations do you usually use this phrase? Is it the same meaning as "even now?"