1. 客厅 (kètīng) – living room

1. 我们全家在客厅看电视。 Wǒmen quán jiā zài kètīng kàn diànshì. Our whole family is watching TV in the living room. 客厅 kètīng – living room

1. 客厅的沙发很舒服。Kètīng de shāfā hěn shūfu. The sofa in the living room is very comfortable. 客厅 kètīng – living room

2. 猜 (cāi) – to guess

1. 你能猜出这个谜语吗？ Nǐ néng cāi chū zhègè míyǔ ma? Can you guess this riddle? 猜 cāi – to guess

1. 我猜他不会来了。 Wǒ cāi tā bù huì lái le. I guess he won’t come. 猜 cāi – to guess

3. 复杂 (fùzá) – complicated, complex

1. 这个问题很复杂，很难解决。 Zhègè wèntí hěn fùzá, hěn nán jiějué. This problem is very complicated and hard to solve. 复杂 fùzá – complicated

1. 他的计划听起来很复杂。 Tā de jìhuà tīng qǐlái hěn fùzá. His plan sounds very complex. 复杂 fùzá – complex

4. 笔记 (bǐjì) – to take down; record

1. 上课时我认真做笔记。 Shàngkè shí wǒ rènzhēn zuò bǐjì. I take notes carefully during class. 笔记 bǐjì – to take down

1. 她的笔记写得很详细。 Tā de bǐjì xiě de hěn xiángxì. Her record is very detailed. 笔记 bǐjì – record