I came across an article explaining how to use the lexicon BDAG. There is a lot to BDAG that isn't necessarily intuitive and to use it effectively requires some instruction and experience. (If this is inappropriate for this site please let me know and I'll delete it):
http://ntresources.com/blog/documents/UsingBDAG.pdf
To my mind, not knowing how to use a lexicon and in particular BDAG is a "career-limiting" situation. I think it is safe to say that if one doesn't have this skill then one is doomed to shallow word studies at best and interpretation is going to suffer.
Why would one prefer to not use a lexicon and instead opine from etymology, concordances, "thinking in English" etc.? Hubris?
The "professionals" use the best tools available. They don't show up to cook without a sharp knife because dull knives are dangerous. They don't show up to do surgery "by the seat of their pants". So why do people interpret ancient texts without consulting the most authoritative tools?
Thank you for indulging my appeal. I hope you find the tool helpful.