what is "feel free" mean? what is "feel free" mean? and how to use it? thanks in advance :)

Help me improve my English :) I want to improve my English and I will teach you Thai language If you want :)

Introducing Myself Hello,I want to practice my English I really want to speak flunctly because English is important in Thailand and I also want to make new friends. My native language is Thai I live in Bangkok and I'm a buddhist.I interested in photograph,art,nature and meditation. :)

My lifestyle I'm learning English because it important for my job and I also want to make new friends.My native language is Thai I live in Bangkok and I'm a buddhist.I interested in photograph,art,nature and meditation. :)