1this 
/ˈðɪs, ðəs/ pronoun
plural these /ˈðɪs, ðəs/ pronoun /ˈði:z/ 1 [count] : the person, thing, or idea that is present or near in place, time, or thought or that has just been mentioned
▪ This is my favorite T-shirt. ▪ These are my friends. ▪ Anything would be better than this. ▪ “What's this right/over here?” “It's a very rare gold coin.” ▪ Would you take a look at this, please? ▪ All of this is mine. ▪ This is the most fun I've had in years! ▪ “It will be difficult.” “This is true.” ▪ What is the meaning of this? 2 [count] : the thing that is closest to you or that is being shown to you
▪ This is silver and that is gold. ▪ This is my jacket and that's yours. ▪ Those sunglasses are nice, but I like these better. ▪ This is how you're supposed to do it. 3 [singular] : the present time
▪ We expected you to return before this. ▪ This is your last chance to ask questions before the test. 4 [singular] : the following idea : what is stated in the following sentence or phrase
▪ I can only say this: it wasn't here yesterday. ▪ How about this: you stay here while I go to the store? ▪ It's as easy as this: turn left at the first intersection and go straight. ▪ If you think that's funny, wait until you hear this! [=I will tell you another thing that is even funnier] ▪ What's this I hear about you getting engaged? [=I heard that you got engaged. Is it true?] ▪ What's all this about the Earth getting warmer?
▪ This is my favorite T-shirt. ▪ These are my friends. ▪ Anything would be better than this. ▪ “What's this right/over here?” “It's a very rare gold coin.” ▪ Would you take a look at this, please? ▪ All of this is mine. ▪ This is the most fun I've had in years! ▪ “It will be difficult.” “This is true.” ▪ What is the meaning of this?
usage When asking who you are speaking to on the phone, you use the pronouns this in U.S. English and that in British English.
▪ (US) Hello. Is this John? = (Brit) Hello. Is that John?
▪ (US) Hello. Is this John? = (Brit) Hello. Is that John?
▪ This is silver and that is gold. ▪ This is my jacket and that's yours. ▪ Those sunglasses are nice, but I like these better. ▪ This is how you're supposed to do it.
▪ We expected you to return before this. ▪ This is your last chance to ask questions before the test.
▪ I can only say this: it wasn't here yesterday. ▪ How about this: you stay here while I go to the store? ▪ It's as easy as this: turn left at the first intersection and go straight. ▪ If you think that's funny, wait until you hear this! [=I will tell you another thing that is even funnier] ▪ What's this I hear about you getting engaged? [=I heard that you got engaged. Is it true?] ▪ What's all this about the Earth getting warmer?
like this — see 3like
this and that also chiefly Brit this, that, and the other
informal : several different things
▪ We started talking about this and that, and before we knew it, it had gotten late. ▪ “What have you been doing all day?” “Oh, a little bit of this and that.”
▪ We started talking about this and that, and before we knew it, it had gotten late. ▪ “What have you been doing all day?” “Oh, a little bit of this and that.”
this is it
— used to say that a very important thing is about to be done, a very important event is about to happen, etc. ▪ This is it, men. Let's take home the championship! ▪ As the car skidded out of control, I thought, “This is it. I'm going to die.”
