考点点拨

1. on somebody's behalf

【点拨】on somebody's behalf相当于on behalf of somebody，意为：①代表（或代替）某人；②因为某人，为了某人。如：

On behalf of the entire company, I would like to thank you for all your work.

Unfortunately, George cannot be with us today so I am pleased to accept this award on his behalf.

Don't worry on my behalf.

【考例】On behalf of everyone here, I wish you a pleasant journey back to your country. (辽宁2013单项填空)

2. reserve

【点拨】reserve既可作名词也可作动词。

★reserve作名词时，意为：①储备（量），储藏（量）；②保护区。如：

Germany's coal reserves were concentrated in a few large fields.

His father works in a nature reserve protecting kangaroos in Australia.

★reserve作动词时，意为：①预订，预约；②保留，储备。如：

I reserved a double room at the Lamb Hotel.

These seats are reserved for the elderly and women with babies.

【拓展】

★ reserved adj.意为：①预定的；②沉默寡言的。如：