1. Should my grandpa be stay in the hospital?

我外公需要住院?jiǎn)幔?/strong>

還能這樣說(shuō)：

Does my grandpa have to be in hospital?

Does my grandpa need to be hospitalized?

應(yīng)用解析：

stay ahead (of) 領(lǐng)先，（走在……的）前面；

stay at 暫住在…… 投宿在……

stay away (from) 不在，外出；走開(kāi)，別接近；

stay behind 留下來(lái)不走；留在后面

2. I am checking into the hospital tomorrow.

我明天要去住院。

還能這樣說(shuō)：

I need to be hospitalized tomorrow.

Tomorrow I need to go into hospital.

應(yīng)用解析：

check at 對(duì)……發(fā)火；

check in 簽到；報(bào)到；辦理住宿手續(xù)；歸還所借書(shū)籍；

check (up) on 調(diào)查，核對(duì)，檢查；

check with 與……相符合；與……協(xié)商

3. You must be hospitalized at once.

你必須立即住院。

還能這樣說(shuō)：

You should go to hospital without delay.

You had o stay in the hospital immediately.

應(yīng)用解析：

for this once = just for once 就這一次；破例一回；

if once = when once 一旦；

more than once 不止一次，多次；

not once 一次也不；

once again 再一次

4. Do I have to stay in the hospital for long?

我必須住院很久嗎？

還能這樣說(shuō)：

Do I must have a long stay in hospital?

Do I have to stay in hospital for a long time?

應(yīng)用解析：

stay the course 持續(xù)到底，堅(jiān)持到底；

stay by 待在……的旁邊，留在……旁邊；

stay out of 不參與；不插手；置身于……之外