After "Pirates of the Caribbean: At World's End," another Hollywood blockbuster starring Chow Yun-fat, "The Children of Huang Shi," is set to hit the theaters on April 3. In the movie, Chow plays a legendary officer of the New Fourth Army, Chen Hansheng. However, Chow Yun-fat, who has been struggling in Hollywood for many years, revealed in a recent interview that English lines are still a big challenge for him.