TheEnglishtranslationfor"等你"is"waitingforyou."Therefore,thephrase"一直在等你"canbetranslatedas"I'vebeenwaitingforyouallalong"or"I'vebeenwaitingforyoucontinuously".
The English translation for "等你" is "waiting for you." Therefore, the phrase "一直在等你" can be translated as "I've been waiting for you all along" or "I've been waiting for you continuously".