check up

check up的音标为[tʃek ʌp]，基本翻译为“检查，查看；核实；核实一下”的意思。速记技巧为：在记忆单词时，可以结合发音进行记忆，注意发音中的音节和重读，这样有助于快速记忆单词。同时，可以结合词根、词缀、联想记忆等方法，多角度地记忆单词，提高记忆效率。

Check up这个词的词源可以追溯到古英语，意为“检查，核对”。它的变化形式包括check，checked，checking等。

相关单词：

1. Checklist：一个列有需要检查的项目或任务的清单。

2. Checkup：医生对病人进行身体检查的过程。

3. Checkered：有瑕疵的，有问题的。这个词源于check，表示“检查，核对”，在这里引申为“有瑕疵的”。

4. Checkmate：在国际象棋中，当一个棋子被对方棋子将军时，表示游戏结束。这个词源于check，意为“检查，核对”，在这里引申为“将军”。

5. Checkered history：有瑕疵的历史，指某人或某事经历了很多起伏和波折。

6. Checkered flag：赛车比赛中获胜的旗帜，通常用来表示胜利。

7. Checkered pattern：格子图案，指由不同颜色或纹理的方块组成的图案。

8. Checkered flag pattern：车手旗图案，指一种由不同颜色或纹理的条纹组成的图案。

9. Checked：经过检查的，经过核对的。这个词源于check，表示“检查，核对”，在这里引申为“经过检查的”。

10. Checkered flag shirt：格子图案的衬衫，通常指一种由不同颜色或纹理的条纹组成的衬衫。

以上这些单词都与check up这个词有着密切的联系，并且都反映了英语中词汇的演变和扩展。

常用短语：

1. check up on 仔细检查

例句：I always check up on the history of a book before I read it.

2. have a check 核对

例句：I had a check with my friend to confirm the date of the party.

3. check in 登记入住

例句：I checked in at the hotel and got my room key.

4. check out 结账离开

例句：I checked out of the hotel and left with my luggage.

5. check up on the weather 查询天气情况

例句：I checked up on the weather before I decided to go on a hiking trip.

6. double check 再三核对

例句：I double checked the address before I left home.

7. check to make sure 检查确认

例句：I checked to make sure that all my belongings were safe before going to bed.

英文小作文：

Recently, I had a check up at the doctor"s office. It was a routine appointment, but it still gave me a sense of comfort to have someone else check up on my health. The doctor asked me a series of questions about my symptoms and lifestyle, and then conducted a physical exam to ensure that everything was okay. I was relieved to hear that everything was normal, but it still made me realize how important it is to take care of our bodies and stay healthy. I"m always checking up on my health, whether it"s checking the weather before going out, or checking my bank balance to make sure I have enough money for the next month. It"s important to stay vigilant and take care of ourselves, because only then can we truly enjoy life and its many blessings.