别闷闷不乐 meaning in English

don't be unhappy

Monica : all right , that ' s it . you know what ? just get out of my way and stop moping
好的，我知道了。你知道么，别在这里碍事，也别闷闷不乐了。
Joey : alright ross , look . you ' re feeling a lot of pain right now . you ' re angry . you ' re hurting . can i tell you what the answer is ? ( ross gestures his consent
别闷闷不乐了，罗斯。你现在很痛苦。我一肚子火,心如刀割。我能告诉你解决之道吗？