this

复数：these

1. [A](指已知的或即将提到的人、事物、主意)这,这个,此,本 being the person, idea, etc. which is understood or (about to be) mentioned
2. [A](时间、地点、思想等)较近的一个,这一个 being the one of two or more people or things that is nearer in time, place, thought, etc.
3. [A]〈非正〉某个 a certain

1. 这个,这事 the thing, idea, action, etc., which is understood or mentioned
2. 这 the thing or person that is near or nearer in place, time, thought, etc.
3. 这时; 这里 this time or place; now or here

1. This is, in part, my own mistake.
   在某种程度上来说,这是我自己的错。
2. Now don't laugh when you hear this.
   听了这个你不要笑。

1. It's about this high.
   大约有这样高。
2. I didn't think we'd get this far.
   我未曾想到我们会走得这么远。