When I need it.I can not.give me a point of view of care。2、我不懂这个世界，不是代表我不懂悲伤。I do not understand the world.not on behalf of I do not understand the sadness。3、不哭泣并不代表我幸福，不言语不代表不在乎。Don't cry doesn't mean I'm happy.don't say don't care。4、都习惯了在深夜里一个人掉泪，还不敢让别人听到声音。