smooth words
3.You have written 5 letters altogether and said a great deal. You are able to convey all that you want to say, which is not an easy thing to do. The flow of the language is smooth, there are very few words wrongly written and the grammar is correct. In the expression 不 妨 bu fang (there is no harm) the use of the word 妨 is correct. It correctly uses the radical 女) nu (female). Many of my students incorrectly use the word 防 fang (to guard against) which is wrong. 
