Since the answer was given but not explained I'll add a little info. The word 'hope' or 希 pronounced 'Xi' has different meanings as it does in English. It can be a noun or a verb. It needs the 2nd symbol 望 pronounced 'wang' meaning; 'wish' to describe its meaning.
Yes there are 2 symbols as shown below :-
Chinese symbol for hope
Chinese symbol for hope
Yes, you need the two characters to get a clear meaning of hope, which is '希望', and is pronounced as 'Xi wang'.