他走进门厅，站在那儿不知道做什么好。

He entered the hallway and stood uncertainly.

《柯林斯英汉双解大词典》

经常觉得自己很闲，但又不知道该做什么好。

I often find myself at "loose ends", not knowing what to do.

youdao

口头及书面交流——如果你无法交流，谁也不知道你在做什么、或做地多么好(或糟糕)。

Oral and written communications — If you can't communicate, nobody knows what you're doing, or how good (or bad) you're doing.

youdao

我不知道如果他能做什么样的好衣服，也可能没什么大不了。

I have no idea if he makes good clothes. Probably not.

youdao

一开始你可能觉得不知道做什么好。

At first, you might find it hard to figure out what to do.

youdao

吃饭时，卡桑德拉去了趟洗手间，我坐在那里，手里没有电话，无法假装很忙活，我真不知道该做什么好。

At dinner, when Cassandra went to the bathroom, I had no clue what to do without a phone to pretend to be busy with.

youdao

我不知道自己该做什么好。

I don't know what to do with myself.

youdao

口头及书面交流——如果你无法交流，谁也不知道你在做什么、或做地多么好(或糟糕)。

Oral and written communications If you can't communicate nobody knows what you're doing or how good (or bad) you're doing.

youdao

老师提问时她不知道该做什么是好。

Questioned by the teacher, she didn't know what to do.

youdao

没人让我去上学，我父母也不想让我有所改变，我也不知道做什么好。

No one forced me to go to school, my parents didn't want to change and I didn't know any better. " He said."

youdao

没人让我去上学，我父母也不想让我有所改变，我也不知道做什么好。

No one forced me to go to school, my parents didn't want to change and I didn't know any better. " He said."

youdao