If you see fit or think fit to do something, then you think it's acceptable or right to do it.
Example: You should disipline your child if you see fit.
If you have no say in something, you are not consulted or listened to.
Example: I had no say in the redesign of the website.
To run into problems or difficulties is to start to experience them, usually suddenly or unexpectedly.
Example: I hope we don't run into any major problems with the deadline so close.
For more meanings of the phrasal verb run into
, follow the link.
Notice that words spelled with a consonant and a 'y' have the 'y' change to an 'i' and 'es added when forming the plural: country - countries. Follow the link to find out more.
Notice that in this sentence and the next one two spellings of the word pronounced 'there' are used. Follow the link to find out why.
See that 'an' is used before words that start with a vowel sound. Follow the link for more.