a host of

a host of的音标是[əˈhəʊst]，基本翻译是“一大批，许多”。速记技巧是：host前加a，表“许多”之意。

a host of 的英文词源为拉丁语 hostis，意为“客人，客人数量”。这个词在英语中引申为“大量，许多”。

变化形式：原形、复数形式均为 host(s)。

相关单词：

1. hostel - 寄宿学校或宿舍，由 host 引申为“寄宿处”的意思。

2. hostage - 人质，由 host 引申为“主人”的意思，而 hostage 则表示被当作主人的人或事物。

3. hospitality - 热情好客，由 host 和 hospitality 共同引申为“热情款待”的意思。

4. hostelries - 旅馆和寄宿处，由 hostel 引申为“寄宿处”的复数形式。

5. hostility - 敌意，由 host 和 opposition 共同引申为“反对”的意思，而 hostility 则表示反对的强烈程度。

6. hospitable - 友好的，由 hospitable 和 hospitality 共同引申为“友好、好客”的意思。

7. hostel - 招待所，由 hostel 的原形形式引申为“招待所”的意思。

8. hostess - 女主人，由 host 和 lady 共同引申为“女主人”的意思。

9. hostel-room - 宿舍房间，由 hostel 和 room 共同引申为“宿舍房间”的意思。

10. host-family - 主人家，由 host 和 family 共同引申为“主人家”的意思。

以上单词都与 a host of 有一定的关联，并体现了其词源的演变过程和含义的扩展。

短语：

1. a host of problems

2. host a party

3. hostility towards

4. host of opportunities

5. host of people

6. host of choices

7. host of responsibilities

例句：

1. We are facing a host of new challenges in our work.

2. She hosted a party for her friends and family.

3. There was a lot of hostility towards the new policy.

4. There are a host of opportunities waiting for us to explore.

5. There was a host of people waiting to shake my hand after the game.

6. There are a host of choices available to us in choosing our career path.

7. As a leader, you have a host of responsibilities to your team and to yourself.

英文小作文：

Hosting a party is an exciting and rewarding experience, but it can also be challenging and stressful. To make it a success, it"s important to plan ahead and be prepared for all the details that need to be taken care of. From choosing the theme and decorations to inviting guests and preparing food and drinks, there"s a lot to consider. However, with a little planning and effort, you can create a memorable party that everyone will enjoy. I hope you all have the opportunity to host a party soon and enjoy the experience!