Mary is sensitive to criticism ,so you should be careful about what you say when you talk with her. 若我寫成 Mary is sensitive to criticism ,so be careful about what you say when you talk to her. So後面沒有you should 改成 be careful 類似啟使句 可以嗎? Talk with 和talk to有什麼差別？ 為什麼criticism 前不用加the？