2. I'm scared. 我很害怕。

　　3. I'm under a lot of pressure/stress. 我感到压力很大。

　　4. I've been depressed lately. 我近来精神萎靡不振。

　　5. No one likes me. 没人喜欢我。

　　6. I don't know what's wrong with me. 我不知道自己哪儿出了毛病。