He can get the wheels off a car in less than a minute.他能一分鐘之內把汽車的四輪全卸下來

less than不到，少于

It was nothing less than a miracle.

那完全是個奇跡。

The audience was no less than five thousand.

聽眾有五千人之多。

You have no concern for safety.你一點都不注意安全

concern for對 ... 的關心； 憂慮

His concern for the poor is only a pose.

他對窮人的關心只不過是做做樣子罷了。

The teacher showed particular concern for the disabled child.

老師特別關心那個殘疾兒童。

Why are you trying to sneak around and hide things from me?你干嘛要在我面前藏藏掩掩的?

sneak around鬼鬼祟祟

"We have to sneak around," he cried.

“我們只好偷偷摸摸，”他嚷起來。

I had to sneak around and hide my smoking from my parents.

為了抽煙我必須鬼鬼祟祟地躲開我的父母。