You'll never really "know" chinese unless you start to "think" in chinese. For instance, when you see an apple, automatically your brain registers its english title "apple". Your goal is to progressively change your thought pattern so that when you see an apple, you think píng guŏ or 苹果. These activities are designed to help you start thinking in chinese.
Most Common Bigrams (2 Character Words)
Helpful Phrases
Ordering Chinese Food
Meeting the Family
Inside Your Room
Electronics
Bopomofo Chart
Chinese Character Practice
Grammar: Stative Verbs