于=在
If 寄希望于+phrase
For example, 我寄希望于一夜之间学会汉语=我希望在一夜之间学会汉语
"寄希望于" ——when you use it , you cannot change the word"于", it is changeless
If 寄希望于+sb., it means 在sb.（身上）寄予希望
BTW，把希望寄于他
寄于 is one word, it means 给
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- Fri Nov 09, 2007 6:52 pm
- Forum: Chinese language
- Topic: problem with preposition phrase 于！plese help me!
- Replies: 6
- Views: 29142