I speak mandarin.
In mandarin/Chinese, there are words that are pronounced the same, but have different meanings, so the speaking part is easier than writing.
for example:
In english, we have 'he' and 'her', in Chinese we have '他' and '她', both are pronounced in the same way and only really matter when you are writing, the total amount of different pronunciations aren't really that many, but the different characters under the same pronunciation are in thousands.
I suggest learning some basic meanings, especially the connectives first; learn to pronounce them with the help of pin-yin and you shouldn't have too much trouble with speaking.
Writing is something you should worry about later on, so don't worry.