practicing
 (a.)在從事工作的


 Prac·tice v. t. [imp. & p. p. Practiced p. pr. & vb. n. Practicing ]
 1. To do or perform frequently, customarily, or habitually; to make a practice of; as, to practice gaming. “Incline not my heart . . . practice wicked works.”
 2. To exercise, or follow, as a profession, trade, art, etc., as, to practice law or medicine.
 2. To exercise one's self in, for instruction or improvement, or to acquire discipline or dexterity; as, to practice gunnery; to practice music.
 4. To put into practice; to carry out; to act upon; to commit; to execute; to do. “Aught but Talbot's shadow whereon to practice your severity.”
    As this advice ye practice or neglect.   --Pope.
 5. To make use of; to employ. [Obs.]
    In malice to this good knight's wife, I practiced Ubaldo and Ricardo to corrupt her.   --Massinger.
 6. To teach or accustom by practice; to train.
    In church they are taught to love God; after church they are practiced to love their neighbor.   --Landor.


 practicing
      adj : actively engaged in a career or way of life; "a practicing
            physician"; "a practicing Catholic"